A 56 year-old female patient with 6 month constipation and bleeding from her anus for 2 weeks.
Rectal endoscopic result is a hemorrhagic rectal tumor which is far from anal orifice 20 millimeters.
MRI confirms a 53x41 mm tumor of the rectal canal.
A transperineal biopsy with ultrasound-based guiding is done for a 42x48x44mm vascularised solid mixed tumor.
Result of histoimmunology is a GIST tumor of rectum wall.
The female patient is planned for a surgery and chemotherapy.