Change of bowel habit is the most common symptom of bowel cancer, and many patients tend to confuse the early symptom of bowel cancer with general constipation, thus delaying treatment. With the growth of intestinal tumor, the excretion of feces will be hindered, thus causing the change of bowel habit.

2. Early Symptoms of Bowel Cancer: Blood in Stool

Blood in stool caused by bowel cancer is mostly persistent, accompanied by mucus, and at the same time, bowel movement will increase, and sometimes, only some blood or mucus will be discharged. If the tumor grows far away from the anus, the incidence of blood in stool will be low. About 80% of patients with rectal cancer have blood in the stool.

3, Early Symptoms of Bowel Cancer No.3: Digestive Symptoms

Digestive symptoms caused by bowel cancer are mostly characterized by abdominal bloating and discomfort, indigestion and so on. Abdominal distension and abdominal pain caused by bowel cancer are intermittent at the initial stage, and will gradually become persistent at the later stage. Some patients will also have intestinal obstruction, with acute symptoms of severe abdominal pain and obstruction of exhaust. There are also chronic intestinal obstruction, such as paroxysmal abdominal pain, bowel sounds, constipation, feces with blood and mucus.

4, Early Symptoms of Bowel Cancer: Abdominal Mass

About half of bowel cancer patients will have abdominal mass, which is a mass caused by tumor intestinal omentum and adhesion of surrounding tissues, irregular in nature, with a certain degree of mobility, and in the advanced stage of bowel cancer, due to the degree of infiltration of the tumor into a high mass may be difficult to move.