leiomyosarcoma of large intestine

The incidence of gastrointestinal leiomyosarcoma is stomach, small intestine, large intestine, and rectum is more common in large intestine. Leiomyosarcoma of the large intestine is rare. Colorectal leiomyosarcoma often has no specific clinical manifestations. Only general digestive system symptoms such as abdominal discomfort and abdominal pain appear in the early stage. When the tumor invades the mucosal layer, bloody stools or mucous bloody stools may appear...