Lung Leiomyoma, also known as pulmonary leiomyoma, is related to leiomyoma and myoma. An important gene associated with Lung Leiomyoma is MIR221 (MicroRNA 221), and among its related pathways/superpathways are Validated nuclear estrogen receptor alpha network and Mammary gland development pathway - Pregnancy and lactation (Stage 3 of 4). Affiliated tissues include lung and smooth muscle.