How is left abdomen horn dull ache to return a responsibility

Ulcerative

colitis

is a chronic inflammatory disease, often causing diarrhea, abdominal pain, mucus stool and other symptoms, which can be manifested as pain or colic

in the left

belly corner.

3, colon cancer

colon cancer is a malignant tumor originating from the colon mucosa epithelium, usually early symptoms are not obvious, with the development of the disease may appear left belly corner dull pain, hematochezia and other symptoms.