Breast – Invasive breast cancer of no special type (NST) showing moderate to strong CK15 immunostaining in tumor cells.
Breast - Invasive breast cancer of no special type (NST) showing moderate to strong CK15 immunostaining in tumor cells. 
Breast – Strong CK15 immunostaining of all cells of an invasive lobular breast cancer.
Breast - Strong CK15 immunostaining of all cells of an invasive lobular breast cancer. 
Breast – Weak to moderate CK15 immunostaining in the majority of cells of an invasive breast cancer of no special type (NST).
Breast - Weak to moderate CK15 immunostaining in the majority of cells of an invasive breast cancer of no special type (NST). 
Esophagus – Squamous cell carcinoma showing strong CK15 immunostaining.
Esophagus - Squamous cell carcinoma showing strong CK15 immunostaining. 
Kidney – Cytokeratin 15 negative clear cell renal cell carcinoma.
Kidney - Cytokeratin 15 negative clear cell renal cell carcinoma. 
Liver – Cholangiocellular carcinoma showing weak to moderate CK15 immunostaining in most tumor cells.
Liver - Cholangiocellular carcinoma showing weak to moderate CK15 immunostaining in most tumor cells. 
Lung – Moderate to strong CK15 immunostaining in a pulmonary adenocarcinoma.
Lung - Moderate to strong CK15 immunostaining in a pulmonary adenocarcinoma. 
Lung – Squamous cell carcinoma showing strong CK15 immunostaining.
Lung - Squamous cell carcinoma showing strong CK15 immunostaining. 
Oral cavity – Squamous cell carcinoma with strong CK15 staining.
Oral cavity - Squamous cell carcinoma with strong CK15 staining. 
Ovary – Brenner tumor showing moderate Cytokertin 15 staining in tumor cells.
Ovary - Brenner tumor showing moderate Cytokertin 15 staining in tumor cells. 
Pancreas – Cytokeratin 15 negative neuroendocrine tumor.
Pancreas - Cytokeratin 15 negative neuroendocrine tumor. 
Prostate – Cytokeratin 15 negative prostatic adenocarcinoma (Gleason 3+3=6). Few normal glands show staining of basal cells.
Prostate - Cytokeratin 15 negative prostatic adenocarcinoma (Gleason 3+3=6). Few normal glands show staining of basal cells. 
Skin – Basal cell carcinoma with strong CK15 immunostaining.
Skin - Basal cell carcinoma with strong CK15 immunostaining. 
Skin – Cytokeratin 15 negative Merkel cell carcinoma.
Skin - Cytokeratin 15 negative Merkel cell carcinoma. 
Skin – Squamous cell carcinoma showing strong CK15 immunostaining.
Skin - Squamous cell carcinoma showing strong CK15 immunostaining. 
Stomach- Cytokeratin negative gastric adenocarcinoma (intestinal type).
Stomach- Cytokeratin negative gastric adenocarcinoma (intestinal type). 
Testis – Cytokeratin 15 negative seminoma.
Testis - Cytokeratin 15 negative seminoma. 
Urinary bladder – Strong Cytokeratin 15 positivity in a muscle-invasive urothelial carcinoma.
Urinary bladder - Strong Cytokeratin 15 positivity in a muscle-invasive urothelial carcinoma. 
Vagina – Squamous cell carcinoma showing strong CK15 immunostaining.
Vagina - Squamous cell carcinoma showing strong CK15 immunostaining. 
Vulva – Squamous cell carcinoma with strong CK15 positivity.
Vulva - Squamous cell carcinoma with strong CK15 positivity.