Symptoms of stage 1, 2, 3 and 4 colon cancer

Symptoms of stage 1, 2, 3, and 4 colon cancer:

The symptoms of colon cancer are different in different stages, that is, the symptoms of colon cancer are different in different stages. The symptoms of stages I, II, III, and IV are different.

1. Stage I: Patients may be asymptomatic, or have symptoms of changes in stool characteristics or bowel habits, such as blood in the stool, bloody stool with mucus, pus or purulence, alternating constipation and diarrhea, or loose stools.

Patients have no extraintestinal symptoms and rarely have systemic symptoms. Fever and weight loss are generally difficult to occur.

2. Stage II and III: Due to the spread of the disease to the tissues surrounding the colon, but without distant metastasis, the main clinical symptoms are internal symptoms of the colon. Symptoms such as abdominal pain, bloating, and changes in bowel habits tend to worsen and last for a relatively long time.

3. Stage IV: generally refers to colon cancer with metastasis to distant organs. Clinically, in addition to intestinal symptoms, many patients also experience symptoms of extraintestinal metastasis, such as decreased appetite, weight loss, abdominal distension, abdominal pain, abdominal pain in the liver area, yellowing of the skin, and other complications.