Принадлежащий:Yuzu, a patient who visited the clinic without having the urge to defecate for a week. In order to check the condition inside the rectum, the director inserts his finger into the anus and performs an internal examination. Next, use the anal bougie to loosen the anal sphincter muscles. A 20 cm deep proctoscope was inserted into the anus to check if there was stool inside the rectum.