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Breast cancer is the most common type of cancer diagnosed among women worldwide. It significantly contributes to cancer-related mortality in females. Early-stage breast cancers have a high cure rate. However, distant metastasis of breast cancer due to haematological and lymphatic spread often leads to a poor prognosis. Gastric and duodenal metastasises are rarely observed in invasive lobular carcinoma of the breast. Early diagnosis is challenging due to the non-specific symptoms, the limited specificity of radiological investigations and the difficulty in obtaining adequate tissue biopsy. Herein, we report the clinical, radiological, and macroscopic features of a 72-year-old female with rare gastric metastasis of breast cancer and likely concurrent duodenal metastasis.

Endosalpingiosis is occasionally incidentally found on histopathologic examination of gynecologic or gastrointestinal specimen, most commonly in the ovary, fallopian tube, omentum and uterus. Recently an association between endosalpingiosis and, ovarian and uterine cancer has been described. Here, we describe a rare case of appendiceal endosalpingiosis mimicking appendicitis. Further prospective studies are required to elucidate the clinical significance of appendiceal endosalpingiosis, the potential association with gynecologic malignancy and implications for management.