Objective To analyze CT features of solitary focal organizing pneumonia (FOP) with diameter less than 3 cm and investigate differential diagnosis with small peripheral lung cancer (SPLC).

• 目的分析直径小于3cm的孤立性局灶性机化性肺炎(fop)的CT表现,以期提高与周围型小肺癌(SPLC)的鉴别诊断水平。