What are the symptoms of colorectal cancer

summary

In the early stage of bowel cancer, bloody stool is the main symptom, followed by the change of bowel habits. Students with these two typical symptoms need to pay special attention. Many people will have bleeding stool and painful stool, but they don't know it is the symptom and precursor of bowel cancer. Let's share with you the symptoms of bowel cancer.

What are the symptoms of colorectal cancer

In the early stage of bowel cancer, hematochezia is the main cause, followed by the change of bowel habits, incomplete defecation, urgency, and so on. In addition, it is easy to cause obstruction and intestinal irritation.

Generally, there are no special symptoms in the early stage of colorectal cancer. Many people don't know it. They just feel uncomfortable, dyspepsia, occult blood in stool, etc. With the development of cancer, symptoms gradually appear, manifested as changes in stool habits, abdominal pain, bloody stool, abdominal mass, intestinal obstruction, with or without anemia, fever, emaciation and other systemic symptoms. Tumor metastasis and invasion can cause the changes of involved organs. Colorectal cancer shows different clinical symptoms and signs because of its different location.

The early pathological changes of colorectal cancer are limited to mucous membrane, with no symptoms or only the change of defecation habits. When the tumor grows to a certain extent, hematochezia can appear. The blood color is usually light and dark, and adheres to the surface of stool.

matters needing attention

If you have colorectal cancer, you need to develop good living habits, light diet, not picky food, do not eat high-fat, high protein diet for a long time.