What is the difference between a pelvic exenteration and a pelvic exoneration?

Pelvic exenteration. There is no such thing as a pelvic "exoneration" although some people mispronounce "exenteration" to make it sound similar. A pelvic exenteration is the removal of most or all pelvic structures (bladder, uterus, rectum) for cancer (usually recurrent) in the pelvic organs (most often cervical cancer).
Pelvic exenteration. A pelvic exenteration is a surgery to try and cure a primary or recurrent cancer. Exoneration means to free from guilt. There is no such thing as a pelvic exoneration. It is a commonly stated mispronunciation.