The groin, also known as the inguinal region, extends from the anterior superior iliac spine (ASIS) anterolaterally, the thigh inferiorly and the pubic tubercle medially. It is an anatomical region vulnerable to surgical pathology due to a weakening of the abdominal wall occurring during embryology.

Colorectal cancer is one of the most common cancer types seen in the western world. They are adenocarcinomas arising from adenomatous polyps in the colon and rectum, with a majority seen on the left side of the colon.

In this article, we cover common benign anorectal pathologies including haemorrhoids, fissures & fistulas with a quick overview of their assessment & management. Basic anatomy Anatomical position of anus is described by a clock in the lithotomy position (lying on back with legs apart, pubic symphysis is 12 o’clock, coccyx is 6 o’clock) Internal anal