Metastatic Squamous Cell Carcinoma of the Anus to the Lung Confirmed with Allelotyping
Figure 2
Hematoxylin and eosin stain (a) and p16 immunohistochemical stain (b) on sections of lesion in left lower lobe wedge resection. CISH for human papillomavirus type 16 is seen at 400x original magnification (c) and 100x original magnification (d).
