Fig 1
From: Uncommon features of surgically resected ALK-positive cavitary lung adenocarcinoma: a case report
a Chest cross-sectional computed tomography (CT) showing a cavitary mass in the S6 segment in the peripheral area with a pleural tail and without pleural effusion. b An abdominal CT scan taken in 2008 occasionally showed a tiny nodule on the basal segment of the right lower lobe adjacent to the visceral pleura on the diaphragm (arrow). c The results of a histological examination. Invasive mucinous adenocarcinoma with signet-ring cells in an S6 tumor (hematoxylin and eosin staining, original magnification ×400)