Fig. 4
From: Primary malignant melanoma of the esophagus treated with subtotal esophagectomy: a case report
Macroscopic findings. a The resected specimen showed an elevated, black-pigmented polyp-like lesion (15 mm × 13 mm × 9 mm) on a flat, black-pigmented area (57 mm × 38 mm) in the lower esophagus. b A magnified image of the lesion (the part surrounded by a red square in Fig. 4a). There is a faintly marked depression partly tinged with white on the surface of the polyp-like lesion