Fig. 2. (A) Horizontal view and (B) sagittal view: Chest CT showing anterior mediastinal tumor measuring 64 × 32 × 18 mm with ring calcification. (C) Cholesterol crystals inside the ring calcification (asterisk). (D) Bare tumor is inside the ring calcification (arrow). (E) Partly bleeding necrosis is in the ring calcification. (F) Terminal deoxynucleotidyl transferase stain showing tumor cells in the bleeding necrotic lesion.
