Skin – Characteristic dot-like KRT20 immunostaining in a Merkel cell carcinoma.
Skin - Characteristic dot-like KRT20 immunostaining in a Merkel cell carcinoma. 
Colon – Colorectal adenocarcinoma with strong KRT20 immunostaining.
Colon - Colorectal adenocarcinoma with strong KRT20 immunostaining. 
Colon – Colorectal adenocarcinoma with strong KRT20 positivity of all tumor cells.
Colon - Colorectal adenocarcinoma with strong KRT20 positivity of all tumor cells. 
Uterus – Endometroid carcinoma of the endometrium with strong KRT20 positivity.
Uterus - Endometroid carcinoma of the endometrium with strong KRT20 positivity. 
Stomach – Gastric adenocarcinoma with strong KRT20 positivity of all tumor cells.
Stomach - Gastric adenocarcinoma with strong KRT20 positivity of all tumor cells. 
Prostate – Moderate to strong KRT20 immunostaining of few tumor cells in an adenocarcinoma (Gleason 5+5).
Prostate - Moderate to strong KRT20 immunostaining of few tumor cells in an adenocarcinoma (Gleason 5+5). 
Ovary – Mucinous carcinoma with strong KRT20 immunostaining in all cells.
Ovary - Mucinous carcinoma with strong KRT20 immunostaining in all cells. 
Ovary – Strong KRT20 positivity in a mucinous carcinoma.
Ovary - Strong KRT20 positivity in a mucinous carcinoma. 
Stomach – Strong KRT20 positivity of all tumor cells diffusely growing gastric adenocarcinoma.
Stomach - Strong KRT20 positivity of all tumor cells diffusely growing gastric adenocarcinoma.