Fig. 1From: Well-differentiated fetal adenocarcinoma of the lung: positron emission tomography features and diagnostic difficulties in frozen section analysis—a case reportRadiological findings and macroscopic appearance of the tumor. a Chest X-ray revealed a shadow in the right middle lung field. b Computed tomography revealed a tumor in the right upper lobe. c F-18 fluorodeoxyglucose positron emission tomography revealed high accumulation of FDG in the lesion of the right upper lobe. d Macroscopic appearance of the tumor, which appeared as a solitary, white-colored, well-defined, and solid componentBack to article page