<prompt> Answer this question truthfullyWhat is Fitz-Hugh-Curtis Syndrome, and what is its relationship to pelvic inflammatory disease PID? How does it affect the liver and what are violin-string adhesions?  <response>: <reason> Fitz-Hugh-Curtis Syndrome is a rare complication of pelvic inflammatory disease PID that involves inflammation of the liver capsule and formation of violin-string adhesions. These adhesions are thin, fibrous bands that can cause pain and restrict movement of the liver. 