Adrenal gland - Villin negative pheochromocytoma.
Esophagus - Adenocarcinoma exhibiting strong villin positivity in tumor cells.
Larynx - Villin negative squamous cell carcinoma.
Liver - Cholangiocellular carcinoma showing strong villin positivity in all tumor cells.
Ovary - Moderate to strong, predominantly apical villin staining in all cells of an endometrioid carcinoma.
Ovary - Villin negative high-grade serous carcinoma.
Pancreas - Neuroendocrine tumor with moderate to strong villin immunostaining in tumor cells.
Pancreas - Strong, predominantly membranous villin staining in all cells of a pancreatic adenocarcinoma.
Pleura - Villin negative mesothelioma.
Prostate - Villin negative prostatic adenocarcinoma (Gleason 3+3=6).
Stomach - Intestinal type gastric cancer with strong, predominantly membranous villin staining in all cells.
Testis - Villin negative seminoma.
Thyroid - Villin negative papillary carcinoma of the thyroid.
Urinary bladder - Strong villin immunostaining in a small cell carcinoma.
Uterus - Endometrioid endometrium carcinoma with strong, predominantly apical villin immunostaining.