Fig. 3From: Spontaneous remission of advanced progressive poorly differentiated non-small cell lung cancer: a case report and review of literatureComparison of bronchoscopic findings at the time of diagnosis of lung cancer and after spontaneous remission. a: On initial bronchoscopy, a polypoid endobronchial mass almost completely blocked the bronchial orifice of the lingular segment. b: After the spontaneous tumor remission, the entrance of the bronchus was replaced with a cicatricial lesionBack to article page