略語大辞典 [Med] 9 FFM fleshy friable mass (肺の気管支内の)新鮮で出血しやすい腫瘍. fleshy friable mass; a characteristic of a tumor mass in the bronchus of a lung; of an endobronchial involvement; ref. NM(necrotic mass), PM(polypoid mass); [Med]. 丸善「略語大辞典」JLogosID : 11874821