It is possible to feel hard lumps in bowel cancer, especially when the lumps are large and the abdominal wall of the patient is thin, it is possible to feel the lumps in the abdomen, it is possible that the lumps are large, hard in texture and the lumps are fixed, of course, it is also possible that the lumps are movable. For most patients, it is difficult to touch the lump on the surface of the body, and it is usually manifested as unformed stool or frequent stool, or black stool or bloody stool. For the diagnosis of bowel cancer, colonoscopy is generally needed if bowel cancer is suspected, and CT of abdomen and pelvis is also needed, and if necessary, CT of enhanced abdomen and pelvis is needed for examination. If necessary, combined organ resection may be required.