disease has inflammation site serositis human disease peritonitis https://github.com/monarch-initiative/mondo/issues/8539 UMLS:C0031154 peritoneum inflammation MONDO:1010128 MESH:D010538 Inflammation of the peritoneum (tissue that lines the abdominal wall and covers most of the organs in the abdomen). MEDGEN:14697 ICD10WHO:K65 Peritonitis can result from infection, injury, or certain diseases. Symptoms may include swelling of the abdomen, severe pain, and weight loss. https://www.ncbi.nlm.nih.gov/pubmedhealth/PMHT0022963/ icd11.foundation:775356003 peritoneum