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World J Gastrointest Oncol. Aug 15, 2023; 15(8): 1332-1341
Published online Aug 15, 2023. doi: 10.4251/wjgo.v15.i8.1332
Table 1 Clinical characteristics of patients with metastatic breast cancer to upper gastrointestinal tract

Esophagus (%)
Stomach (%)
Age (years)6457.3
Breast cancer type
    Lobular4 (29)135 (72)
    Ductal9 (64)49 (36)
Initial treatment of breast cancer
    Surgery65 (97)70 (80)
    Radiotherapy33 (49)28 (32)
    Chemotherapy20 (30)42 (48)
    Hormonal Therapy13 (19)33 (38)
Median time between diagnosis of primary breast cancer and GI metastases (years)104