Fig. 3From: Pulmonary metastasectomy for esophageal basaloid squamous cell carcinoma component at 66 months after esophagectomya Macroscopic observation of the resected left lung specimen shows a white nodule with irregular borders. b Histological evaluation of the pulmonary lesion, leading to diagnosis of metastasis of basaloid squamous cell carcinoma of the esophagus with deposition of hyaline-like material (hematoxylin and eosin stain, × 100). Immunohistochemical examinations show that the metastatic tumor cells are positive for c p63 and d p40 (× 100)Back to article page