[Preoperative evaluation of the local spread of rectal tumors using ultrasonography]

Ultrasonography with the use of the method of sectorial and complex manual scanning is a valuable additional method of examination of the rectum for diagnosing the local spread of the tumor. The diagnostic accuracy of the method of examination of the rectum through the anterior abdominal wall for the establishment of the depth of tumor infiltration of the intestinal wall and the surrounding fat is 82.7%.