Endobronchial Lipoma

**Semantic type:** Neoplastic Process

**Definition:** A rare benign adipose tissue neoplasm located within the lumen of a bronchus. It is predominantly found in males and usually originates within the fatty tissue between bronchial cartilage. May cause irreversible pulmonary damage distally. Two-thirds of the tumors occur on the right side and most are located on the first three subdivisions of the tracheobronchial tree.