case_images: PMC10294209_01
case_images: EGD findings showing a fungating mass (a), friable diffuse infiltrative lesions with gastric fold thickening in the gastric body (b), suggestive of malignancy.
case_images: crg528506_f01.jpg
case_images: PMC10294209_01_crg528506_f01.jpg
case_images: F1
case_images: The mass was partially circumferential and occupied about two-thirds of the luminal circumference of the stomach (shown in Fig. 1).
case_images: Biopsy of the gastric body lesion showing an infiltrating poorly differentiated adenocarcinoma. Immunohistochemical staining revealing CK7 (+), GATA3 (+), GCDFP15 focally (+), CK20 (-), and mammaglobin (-).
case_images: crg528506_f02.jpg
case_images: PMC10294209_01_crg528506_f02.jpg
case_images: F2
case_images: Biopsy of the gastric mass showed infiltrating poorly differentiated adenocarcinoma (shown in Fig. 2). Fig. 2). Further staining studies revealed estrogen receptor positive (>95%, strong intensity), progesterone receptor negative, and HER-2 negative (shown in Fig. 3).
case_images: Immunohistochemical staining positive for estrogen receptor (>95%, strong intensity), negative for progesterone receptor, and HER-2 overexpression.
case_images: crg528506_f03.jpg
case_images: PMC10294209_01_crg528506_f03.jpg
case_images: F3
case_images: Fig. 2). Further staining studies revealed estrogen receptor positive (>95%, strong intensity), progesterone receptor negative, and HER-2 negative (shown in Fig. 3).