what is the difference between stage 1 2 3 4 cancer?
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Stage I means the cancer is small and only in one area. This is also called early-stage cancer. Stage II and III mean the cancer is larger and has grown into nearby tissues or lymph nodes. Stage IV means the cancer has spread to other parts of your body.
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If only lymph nodes on the same side of the chest as the primary cancer are involved, that's considered stage 3a. If disease has spread to the neck or to lymph nodes on the opposite side, that's considered stage 3b. Stage 3 refers to non-small cell lung cancer (NSCLC) cases.
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Between 20 and 30 percent of women with early stage breast cancer go on to develop metastatic disease. While treatable, metastatic breast cancer (MBC) cannot be cured. The five-year survival rate for stage 4 breast cancer is 22 percent; median survival is three years. Annually, the disease takes 40,000 lives.
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Stage I (stage 1 ovarian cancer): The cancer is confined to the ovaries and hasn't spread to the abdomen, pelvis or lymph nodes, or to distant sites. Stage II (stage 2 ovarian cancer): The cancer is in one or both ovaries and has spread to the pelvic region, such as the fallopian tubes or uterus.
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Stage 3 cancer means the breast cancer has extended to beyond the immediate region of the tumor and may have invaded nearby lymph nodes and muscles, but has not spread to distant organs. Although this stage is considered to be advanced, there are a growing number of effective treatment options.
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The five-year survival rate in this stage drops to 8 percent. That means that out of 100 people, 8 people diagnosed with stage 4 cancer will still be living five years after receiving their diagnosis.
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Stage 3A means one of the following: the cancer is still in the inner or muscle layer of the bowel wall, and it has spread to between 1 to 3 nearby lymph nodes or to areas of tissue close to the lymph nodes.
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The grading system that's usually used is as follows: grade I – cancer cells that resemble normal cells and aren't growing rapidly. grade II – cancer cells that don't look like normal cells and are growing faster than normal cells. grade III – cancer cells that look abnormal and may grow or spread more aggressively.
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The stage may be adjusted if you have additional tests or after surgery. There are five stages of throat cancer, starting at zero and going up to four. (They are represented by the Roman numerals I, II, III, and IV.)
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What is a cancer stage? While a grade describes the appearance of cancer cells and tissue, a cancer's stage explains how large the primary tumor is and how far the cancer has spread in the patient's body. There are several different staging systems.
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Doctors also use a cancer's stage when talking about survival statistics. Liver cancer stages range from stage I (1) through IV (4). As a rule, the lower the number, the less the cancer has spread. A higher number, such as stage IV, means cancer has spread more.
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Stage 1: The tumor is in a single lung and has not spread to any lymph nodes or distant organs. Stage 2: The cancer has grown to be larger than 3 centimeters (cm) across and may have spread to the lymph nodes inside the lung but not to any distant organs.
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Cancer cells are given a grade according to how different they are to normal breast cells and how quickly they are growing. There are three grades of invasive breast cancer: grade 1 – looks most like normal breast cells and is usually slow-growing. grade 2 – looks less like normal cells and is growing faster.
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The cells are growing at a speed of and look like cells somewhere between grades 1 and 3. Grade 3 or poorly differentiated (score 8, 9). The cancer cells look very different from normal cells and will probably grow and spread faster.
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['Metastatic breast cancer is also classified as Stage 4 breast cancer. ... ', 'Ductal Carcinoma In Situ (DCIS) ... ', 'Invasive Ductal Carcinoma (IDC) ... ', 'Triple Negative Breast Cancer.']
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Almost 25 out of 100 people (almost 25%) with stage 3 stomach cancer will survive their cancer for 5 years or more after they're diagnosed. There are no statistics for stage 4 cancer. This is because sadly most people don't live for that long after diagnosis.
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The stages of rectal cancer are indicated by Roman numerals that range from 0 to IV. The lowest stage indicates cancer that is limited to the lining of the inside of the rectum. By stage IV, the cancer is considered advanced and has spread (metastasized) to other areas of the body.