Breast- Invasive breast cancer of no special type (NST) depicting strong ER immunostaining of tumor cells

Breast- Invasive breast cancer of no special type (NST) showing strong ER immunostaining of all tumor cells

Colon- ER negative colorectal adenocarcinoma

Esophagus- ER negative adenocarcinoma

Esophagus- ER negative squamous cell carcinoma

Kidney- ER negative clear cell renal cell carcinoma

Kidney- ER negative papillary renal cell carcinoma

Oral cavity- ER negative squamous cell carcinoma

Ovary- Endometroid carcinoma with strong ER immunostaining of tumor cells

Ovary- Serous high-grade carcinoma with moderate to strong ER immunostaining of most tumor cells

Prostate- ER negative adenocarcinoma (Gleason 3+3=6). Strong ER positivity is seen in some stroma cells, however

Urinary bladder- ER negative non-invasive papillary urothelial carcinoma (pTa). Moderate ER positivity is seen in some stroma cells, however