Fig. 3From: Successful lung-sparing resection of synchronous pleural mesothelioma and contralateral lung cancer a Pathological features of left lung tumor showing papillary growth of atypical tumor cells that were positive for thyroid transcription factor-1 (TTF-1). b Pathological features of right pleural tumor showing a combination of sarcomatoid (upper) and epithelioid (lower) components. Tumor cells of both components were positive for calretininBack to article page