Surgically resected gastric metastasis of pulmonary squamous cell carcinoma

Figure 2 The biopsy showed syncytial growth of polygonal shaped poorly differentiated cells. A: Macroscopically, there was an ulcerofungating 4.0 cm × 3.5 cm lesion on the body; B, C: The bronchoscopic biopsy showed growth of polygonal shaped cells which were strongly positive for p63 and consistent with squamous cell carcinoma; D: Gastric ulcer specimen revealed multiple lymphatic invasion of carcinoma and chronic gastritis.