Fig. 2From: Liver metastatic basaloid squamous cell carcinoma with negative expression of pancytokeratin: a case report and literature reviewPathological findings of the esophageal tumor and additional immunohistochemical staining of the liver tumor. a (H&E, 200×) and b (H&E, 400×). Histological morphology of esophageal tumor. c Esophageal tumor was weakly reactive to AE1/AE3 (200×). The liver tumor cells were weakly reactive to CK5/6 (d) but diffusely positive for p40 (e) and p63 (f) (200×)Back to article page