intestinal cavity
3.The clinical manifestations of ulcerative colitis lack specificity and main symptoms are diarrhea, abdominal pain, mucous stool with pus and blood, fever, tenesmus and so on, often accompanying a number of extra intestinal manifestations, such as osteoarthropathy, dermatogic disease, ophthalmopathy, liver and gall disease, recurrent ulcer of oral cavity, peripheral angiopathy, lung disease.

