Which one of the following is implicated in the etiology of adhesions around the liver?

The image shows adhesions of Fitz-Hugh-Cuis syndrome which is a chlamydial infection leading to perihepatitis. Peri-hepatitis should be suspected in young, sexually active women who develop right-upper-quadrant pain, fever, or nausea. Frequently, peri-hepatitis is associated with extensive tubal scarring, adhesions, and inflammation observed at laparoscopy, and high titers of antibody to chlamydial heat-shock protein