Symptoms of colon cancer do not appear in all the patients when the disease is in an early stage but only after it has advanced in gravity. This is why doctors recommend that after a certain age people should ask for screenings regularly.
Colorectal cancer can give a lot of symptoms but they all match other diseases too like: inflammatory bowel disease, diverticulosis, and irritable bowel syndrome. All these diseases can be treated but they first must be diagnosed in order to apply a right treatment.