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.