HPV Infection in Esophageal Squamous Cell Carcinoma and Its Relationship to the Prognosis of Patients in Northern China
Figure 1
(a) In situ hybridization signal of HPV-positive esophageal squamous cell carcinomas. Numerous tumor cells show positive nuclear signals. (b) Immunohistochemical staining of p16INK4A in esophageal squamous cell carcinomas. More than 50% of tumor cells showing strong nuclear and cytoplasm immunolabeling. (Original magnification ×200.)
