Adrenal gland – GP-2 negative pheochromocytoma.

Breast – GP-2 negative invasive breast cancer of no special type (NST).

Colon – GP-2 negative colorectal adenocarcinoma.

Esophagus – GP-2 negative adenocarcinoma.

Kidney – GP-2 negative clear cell renal cell carcinoma.

Larynx – GP-2 negative squamous cell carcinoma.

Larynx – Squamous cell carcinoma completely lacking GP-2 staining.

Liver – GP-2 negative cholangiocellular carcinoma.

Lung – GP-2 negative adenocarcinoma.

Ovary – GP-2 negative serous high-grade carcinoma

Pancreas – Acinar cell carcinoma showing strong GP-2 immunostaining of all tumor cells.

Pancreas – Acinar cell carcinoma with moderate to strong GP-2 immunostaining of >50% of tumor cells

Pancreas – Acinar cell carcinoma with variable (weak to strong) GP-2 positivity of tumor cells.

Pancreas – GP-2 negative ductal adenocarcinoma.

Pancreas – GP-2 negative neuroendocrine tumor.

Penis – GP-2 negative squamous cell carcinoma.

Prostate – GP-2 negative adenocarcinoma (Gleason 3+3=6)

Soft tissue – GP-2 negative liposarcoma.

Stomach – Gastric adenocarcinoma showing focal weak to moderate GP-2 immunostaining.

Stomach – GP-2 negative gastrointestinal stromal tumor (GIST).

Testis – GP-2 negative seminoma.

Thyroid – GP-2 negative medullary cancer.

Thyroid – GP-2 negative papillary cancer.

Urinary bladder – GP-2 negative muscle-invasive urothelial carcinoma.

Uterus – GP-2 negative endometrium carcinoma.