Figure 2
From: Perianal squamous cell carcinoma in-situ: a report of two human papilloma virus-negative cases

Squamous cell carcinoma in-situ, H & E, 4×.
From: Perianal squamous cell carcinoma in-situ: a report of two human papilloma virus-negative cases
Squamous cell carcinoma in-situ, H & E, 4×.