Abdominal discomfort
The most common symptom of colon cancer is abdominal pain that is vague in nature. It means that patient can’t normally localize one painful area. Abdominal pain in colorectal cancer is nonspecific and generalized. It can be colicky in nature if the colon cancer has caused partial obstruction of the lumen of gastrointestinal tract. Visit your doctor immediately to evaluate your pain and rule out other causes of abdominal discomfort. Laboratory investigations of colorectal cancer includes complete blood count (CBC), electrolytes and liver enzymes, CEA, urinalysis, coagulation profile, electrocardiogram, chest radiography, and computerized tomography (CT) scan of the abdomen and pelvis. After detailed evaluation of these investigation, doctor can tell whether the discomfort is due to colon cancer or not.