PULMONARY SCAR CARCINOMA - REPORT OF 3 CASES AND REVIEW OF THE LITERATURE

Pulmonary scar carcinoma was described as a distinct clinicopathologic al entity over 50 years ago, There are many theories on the formation of this entity, We present three cases of pulmonary scar carcinoma wit h a high ratio of adenocarcinoma, One patient had a favorable postoper ative course despite a 14-month delay in treatment, Necropsy specimen of another patient showed two primary scar carcinomas unrelated to eac h other, Literature review and discussion of etiology, diagnosis, and treatment modalities of pulmonary scarcarcinoma were done, Pathogenesi s and prognosis of the neoplasms associated with apical scars are not clearly understood.