Colorectal surgery is a field in medicine dealing with disorders of the rectum, anus, and colon. The field is also known as proctology, but this term is now used infrequently within medicine and is most often employed to identify practices relating to the anus and rectum in particular.

What is the meaning of Proctological?

: a branch of medicine dealing with the structure and diseases of the anus, rectum, and sigmoid colon.

Where does the word proctologist come from?

The word proctology is derived from the Greek words πρωκτός proktos, meaning "anus" or "hindparts", and -λογία -logia, meaning "science" or "study". Physicians specializing in this field of medicine are called colorectal surgeons or proctologists.