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Symptoms of colorectal cancer
Colorectal cancer may not cause any signs or symptoms in its early stages because the cancer is very small. Symptoms often appear once a tumour grows into surrounding tissues and organs. Other health conditions can cause the same symptoms as colorectal cancer.
See your doctor if you have these symptoms:
- stool that looks narrower than usual
- feeling like the bowel is not completely empty after a bowel movement
- blood in the stool (it can be bright or very dark red)
- bleeding from the rectum
- gas, cramping, bloating and feeling full
- pain or discomfort in the rectum
- a lump in the abdomen or rectum
- fatigue and weakness
- anemia, which may cause fatigue and shortness of breath
- nausea and vomiting
- loss of appetite
- weight loss
- blockage in the intestine (called bowel obstruction), which may cause pain in the abdomen
- a tear or hole in the intestine (called bowel perforation), which may cause widespread infection (called sepsis)
- frequent urinary tract infections
- swollen lymph nodes
- enlarged liver (called hepatomegaly)
- jaundice (a condition in which the skin and whites of the eyes become yellow and urine is dark yellow)
- buildup of fluid in the abdomen (called ascites)
- pain in the abdomen, buttocks or leg
- breathing problems
Even though we are high school students, we were able to raise so much money for the Canadian Cancer Society. It just goes to show what can happen when a small group of people come together for a great cause.
Great progress has been made
Some cancers, such as thyroid and testicular, have survival rates of over 90%. Other cancers, such as pancreatic, brain and esophageal, continue to have very low survival rates.