What percentage of chemotherapy is successful?

Most people with this type receive chemotherapy. Approximately 83% of lung cancers are N-SC. The remaining 3% are undefined. ... Lung cancer. N-SC lung cancer stage Surgery plus chemo and/or radiotherapy 16% 7% Chemo alone 1% 18% Chemo plus radiotherapy without surgery 6% 35% Total 24% 60% 1 more row •

medicalnewstoday.com - Chemotherapy: Success rates for different cancers

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Chemotherapy is a powerful treatment that involves taking medications to damage cancerous cells. The goal is to prevent these cells from dividing and multiplying. This article outlines the use of chemotherapy drugs in the treatment of different cancers. We describe how many people with different types of cancer undergo chemotherapy as part of their treatment. We also give information about survival rates for people with these types of cancer, according to the stage of cancer when a person received the diagnosis. Factors affecting success and survival rates Share on Pinterest foxline/Getty Images There are a variety of factors that may affect how successful chemotherapy is and a person’s survival rate. These factors include: Cancer survival rates Cancer survival rates are one way to show how effective various treatments, including chemotherapy, can be. A survival rate refers to the percentage of people who live for a certain amount of time after a cancer diagnosis. Survival rates can also help people gain an understanding of their outlook because they provide information about the likely outcomes of people with similar cancers. However, it is essential to remember that a range of factors influences survival rates and chemotherapy success rates. Many of these factors vary from person to person. Cancer grade Cancer grade is a measure of how abnormal the cancer cells appear under a microscope. More abnormal cells tend to grow and spread at a faster rate. Cancer stage Cancer stage indicates how large a tumor is and how far its cells have spread. A doctor can use various systems to determine what stage a cancer has reached. They may use the following 0–5 scaling system : Stage 0: Abnormal cells are present but have not spread to nearby cells. Abnormal cells are present but have not spread to nearby cells. Stages 1, 2, and 3: Cancer is present. Higher stages indicate larger tumors and a more extensive spread into nearby tissues. Cancer is present. Higher stages indicate larger tumors and a more extensive spread into nearby tissues. Stage 4: The cancer has spread to other areas of the body. Researchers who collect data to determine cancer statistics may use the following terms to describe the cancer stage: In situ: Abnormal cells are present but have not spread to nearby tissues. Abnormal cells are present but have not spread to nearby tissues. Localized: Cancer has not spread beyond the place where it first developed. Cancer has not spread beyond the place where it first developed. Regional: Cancer has spread to nearby lymph nodes, tissues, or organs. Cancer has spread to nearby lymph nodes, tissues, or organs. Distant: Cancer has spread to distant parts of the body. Other factors Other factors that can affect the success of chemotherapy include: age

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any other medical conditions In this article, we describe the next steps when chemotherapy is not effective. Calculating chemo success rates for different cancers People usually receive chemotherapy, or chemo, alongside other treatments, such as surgery and radiotherapy. This can make it difficult for researchers to determine which therapy has what effect. As such, it is not possible to provide success rates for chemotherapy alone. The following examples show overall survival rates for people with different types of cancer, along with the percentage of those receiving chemotherapy as part of their treatment. The statistics below are from the American Cancer Society’s 2016–2017 report on cancer treatment and survivorship. The figures all refer to people in the United States. This report uses 5-year relative survival rates, which describe the percentage of people who live for at least 5 years after their cancer diagnosis. Breast cancer Most people with stage 1, 2, or 3 breast cancer undergo surgery as part of their treatment. Some people may have a mastectomy, in which a surgeon removes the breast. Others may have breast conserving surgery (BCS), which involves removing the tumor and some of the surrounding healthy tissue. Some people receive chemo with or instead of surgery. The table below shows the percentages of females with breast cancer who undergo treatment involving chemotherapy, according to recent estimates . Breast cancer stage Treatment choice Stage 1 and 2 Stage 3 Stage 4 BCS plus chemo 2% 2% 2% BCS plus radiotherapy and chemo 17% 15% 2% Mastectomy plus chemo 12% 13% 7% Mastectomy plus radiotherapy and chemo 6% 48% 7% Radiotherapy and/or chemo without surgery 1% 4% 48% Total 38% 82% 66% Learn more about the stages of breast cancer here. Breast cancer survival The following table shows survival rates among females with breast cancer, depending on the stage at diagnosis. Breast cancer stage Localized Regional Distant % of people with this stage of cancer at diagnosis 61% 32% 6% 5-year relative survival rate 99% 85% 26% Colorectal cancer This refers to cancer of the colon or rectum. Surgical options for colorectal cancer include: Colectomy: removal of part or all of the colon.

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removal of part or all of the colon. Proctectomy: removal of part or all of the rectum. removal of part or all of the rectum. Proctocolectomy: removal of the rectum and part or all of the colon. Colon cancer The table below shows the percentages of people with colon cancer who undergo treatment involving chemotherapy. Colon cancer stage Treatment choice Stage 1 & 2 Stage 3 Stage 4 Colectomy and chemo 10% 67% 40% Chemo alone less than 1% less than 1% 26% Total approx 11% approx 68% 66% Rectal cancer The table below shows the percentages of people with rectal cancer who undergo treatment involving chemotherapy. Rectal cancer stage Treatment choice Stage 1 Stage 2 & 3 Stage 4 Tumor removal/destruction plus chemo and/or radiotherapy 4% 2% 1% Proctectomy/proctocolectomy plus chemo and/or radiotherapy 28% 67% 31% Chemo and/or radiotherapy without surgery 4% 13% 49% Total 46% 82% 80% Colorectal cancer survival The following table gives information about survival rates for people with colorectal cancer, according to its stage at diagnosis. Colorectal cancer stage Localized Regional Distant % of people with this stage of cancer at diagnosis 39% 36% 20% 5-year relative survival rate 90% 71% 13% Find out more about colorectal cancer here. Non-Hodgkin lymphoma Non-Hodgkin lymphoma is a type of cancer that begins in cells called lymphocytes. These are immune system cells that help the body fight infection. Around 69% of people with non-Hodgkin lymphoma receive chemo. Among them, 58% receive chemo alone, while 11% receive a combination of chemo and radiotherapy. Non-Hodgkin lymphoma survival The following table gives information about survival rates for people with non-Hodgkin lymphoma, according to its stage at diagnosis. Non-Hodgkin lymphoma stage Localized Regional Distant % of people with this stage of cancer at diagnosis 28% 15% 50% 5-year relative survival rate 82% 74% 62% Learn more about lymphoma here. Lung cancer There are two types of lung cancer: small-cell and non-small cell (N-SC). Around 13% of lung cancers are small-cell. Most people with this type receive chemotherapy. Approximately 83% of lung cancers are N-SC. The remaining 3% are undefined. The table below gives information about the types of treatment that people with N-SC lung cancer receive. N-SC lung cancer stage Treatment choice Early stage (1 & 2) Late stage (3 & 4) Surgery plus chemo and/or radiotherapy 16% 7% Chemo alone 1% 18% Chemo plus radiotherapy without surgery 6% 35% Total 24% 60% Lung cancer survival The following table shows survival rates for people with N-SC lung cancer, according to the stage at diagnosis. N-SC lung cancer stage Localized Regional Distant % of people with this stage of cancer at diagnosis 16% 22% 57% 5-year relative survival rate 55% 27% 4% Find out more about lung cancer here. Testicular cancer Testicular cancer is cancer in one or both testicles. Around 97% of testicular cancers begin in the germ cells. These are cells that develop into sperm. Tumors that develop from germ cells are called testicular germ cell tumors. There are two types: seminomatous tumors, which tend to be slow-growing, and non-seminomatous tumors, which usually grow more rapidly. Seminomatous tumors The table below shows the percentages of males who undergo treatment involving chemotherapy for early or late stage seminomatous testicular germ cell tumors. Seminomatous tumor stage Treatment choice Early stage (1 & 2) Late stage (3 & 4) Surgery plus chemo 22% 66% Surgery plus chemo and radiotherapy less than 1% 4% Chemo and/or radiotherapy without surgery 1% 21% Total approx. 24% 91% Nonseminomatous tumors The table below shows the percentages of males who undergo treatment involving chemotherapy for early or late stage nonseminomatous testicular germ cell tumors. We also show the percentage of those who undergo a procedure called retroperitoneal lymph node dissection (RPLND). Nonseminomatous tumor stage Treatment choice Early stage (1 & 2) Late stage (3 & 4) Surgery and chemo 35% 67% Surgery, chemo, and RPLND 9% 18% Chemo and/or radiotherapy without surgery less than 1% 8% Total approx. 45% 93% Testicular cancer survival The following table shows information about survival rates for males with testicular cancer, according to its stage at diagnosis. These figures combine data from people with either type of tumor. Testicular cancer stage Localized Regional Distant % of people with this stage of cancer at diagnosis 68% 18% 12% 5-year relative survival rate 99% 96% 74% Learn more about testicular cancer here. Bladder cancer Most people with bladder cancer receive one of the following surgeries : Transurethral resection of the bladder tumor, a minimally invasive procedure that involves removing the bladder tumor via the urethra. Cystectomy, which involves removing part or all of the bladder, as well as the surrounding fatty tissue and lymph nodes. About 52% of people with bladder cancer receive some form of chemotherapy treatment. Among them: 20% undergo cystectomy plus chemo, radiotherapy, or both

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20% undergo transurethral resection plus chemo or radiotherapy

9% undergo transurethral resection plus chemo and radiotherapy

3% undergo chemo, radiotherapy, or both, but no surgery Bladder cancer survival The 5-year relative survival rate for localized bladder cancer varies by the type of cancer. Around 25% of bladder cancers invade the muscle wall of the bladder. The 5-year relative survival rate is 47% for localized, muscle-invasive bladder cancer, and 81% for localized bladder cancer that is not muscle-invasive. The following table shows more information about survival rates for people with bladder cancer, according to the stage at diagnosis. Figures for invasive and noninvasive cancers are combined. Bladder cancer stage In situ Localized Regional Distant % of people with this stage of cancer at diagnosis 51% 35% 7% 4% 5-year relative survival rate 96% 70% 34% 5% Find out more about bladder cancer here. Uterine cancer More than 90% of uterine cancers occur in the uterine corpus, the upper part of the uterus. The table below shows the percentages of women who undergo treatment involving chemotherapy for uterine corpus cancer by stage. Uterine corpus cancer stage Treatment choice Early stage (1 & 2) Late stage (3 & 4) Surgery plus chemo 5% 33% Surgery plus chemo and radiotherapy 6% 28% Chemo and/or radiotherapy without surgery 1% 12% Total 12% 73% Uterine corpus cancer survival The following table shows information about survival rates among people with uterine corpus cancer, according to its stage at diagnosis. UCC stage Localized Regional Distant % of people with this stage of cancer at diagnosis 67% 21% 8% 5-year relative survival rate 95% 68% 17% Uterine cancer is also called endometrial cancer. Learn more here.

medicalnewstoday.com - Chemotherapy: Success rates for different cancers

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