peritoneal benign neoplasm leiomyomatosis disseminated peritoneal leiomyomatosis https://www.malacards.org/card/diffuse_peritoneal_leiomyomatosis UMLS:C0267785 NCIT:C3958 SCTID:62557001 Orphanet:71274 A rare, benign process that affects the peritoneal cavity and is characterized by the formation of multiple small nodules that are composed of well differentiated smooth muscle. It usually affects adults in their late reproductive years. Most patients are asymptomatic. The tumor nodules may regress spontaneously. DOID:5728 MEDGEN:78634 GARD:0012843 disseminated peritoneal leiomyomatosis leiomyomatosis peritonealis disseminate LPD DPL leiomyomatosis peritonealis disseminata diffuse peritoneal leiomyomatosis EFO:1000220 MONDO:0006183 obsolete_Disseminated Peritoneal Leiomyomatosis