[Clinical signs, diagnostics and treatment of the benign mesenchymal (submucosal) tumors of the gastrointestinal tract].

Benign mesenhimal tumors (submucosal) of the gastrointestinal tract are rarely found. They develop in the submucosa of the digestive tract. The tumors are covered by normal mucosa, have slow growth and tendency to ulcerations and bleeding.

[An analysis of postoperative mortality in patients with large-intestine occlusive ileus due to tumor origin].

A total of 232 patients presenting occlusive ileus caused by colorectal carcinoma undergo operative treatment in the period 1979 through 1990. In 160 of them the tumor is located in the colon, and in seventy-two--in the rectum. One-hundred twenty-two radical and 110 palliative operations are performed (52.