Figure 1.

(A) Computed tomography scan shows a well-defined mass (white arrow) with slightly lobulated margins posterior to the right hilum. The annotations show comparative attenuations within the mass (23.86 HU), aorta (35 HU) and skeletal muscle (46 HU), indicating a cystic lesion. (B) Gross photograph demonstrating a nodular cystic mass. (C) Gross photograph demonstrating translucent cystic appearance due to the abundant mucin content.