COMPASS

Decompressing stoma and two-stage elective resection vs. emergency resection in patients with left-sided obstructive colorectal cancer

Condition	acute or impending intestinal obstruction due to tumor of the left hemicolon
Intervention	creation of a decompressing stoma followed by a two-stage resection of the tumor versus emergency resection of the left-sided obstructive colon tumor
Aim	direct comparison of 2 different operation techniques
Place	multicentric in Germany

Condition	malignant disease of the rectum
Intervention	vacuum sponge therapy after removal of the rectum to prevent insufficiency of the anastomosis
Aim	evaluation of the technical feasibility and efficacy of prophylactic vacuum sponge therapy after rectal resection
Place	monocentric