1. Metastatic Carcinoma of the Breast Resembling Early Gastric Carcinoma
Manuel Pera, MD, PhD, Emilio Riera, MD, Rafael Lopez, MD, Nuria Viñolas, MD, PhD, Cleofe Romagosa, MD, Rosa Miquel, MD, PhD 
Mayo Clinic Proceedings 
Volume 76, Issue 2, Pages (February 2001)
DOI: /
Copyright © 2001 Mayo Foundation for Medical Education and Research Terms and Conditions

2. Figure 1
Low-power view of metastatic lobular carcinoma involving the gastric antrum wall. Note nodular infiltration of the mucosa and linitis plastica-like invasion of the submucosa and muscular layers (cytokeratin 7 immunostain, original magnification ×40).
Mayo Clinic Proceedings  , DOI: ( / )
Copyright © 2001 Mayo Foundation for Medical Education and Research Terms and Conditions

3. Figure 2
Small cancer cells arranged in rows, without gland formation. Occasional intracytoplasmic vacuoles were seen (arrow) (hematoxylin-eosin, original magnification ×400).
Mayo Clinic Proceedings  , DOI: ( / )
Copyright © 2001 Mayo Foundation for Medical Education and Research Terms and Conditions

4. Figure 3
Immunohistochemically, tumor cells showed diffuse nuclear positivity for progesterone receptor (peroxidase-diamino-benzidine, original magnification ×400).
Mayo Clinic Proceedings  , DOI: ( / )
Copyright © 2001 Mayo Foundation for Medical Education and Research Terms and Conditions