Peritoneal Benign Neoplasm is related to diffuse peritoneal leiomyomatosis and benign peritoneal solitary fibrous tumor. An important gene associated with Peritoneal Benign Neoplasm is CALD1 (Caldesmon 1), and among its related pathways/superpathways are Validated nuclear estrogen receptor alpha network and Ovarian infertility. Affiliated tissues include serous membrane lining the abdominal cavity, and related phenotype is normal.