Metastatic breast cancer to the gastrointestinal tract: A case series and review of the literature

Table 1 Summary of gastrointestinal presentations of metastatic breast cancer

Site	Presentation	Reference
Oropharynx	Oropharyngeal dysphagia	(Case 2)
	Tongue lesion	11
Esophagus	Stricture	(Case 3), 8, 13, 31-44
	Achalasia	(Case 1), 9, 10
	Non-specific dysmotility	30
Stomach	Linitis plastica	(Case 4), 5, 6, 45-52
	Obstruction/Stenosis	(Case 5), 19, 45
	Polyp	45, 53, 54
	Ulcer/Erosion	19, 45, 55, 56
	Perforation	57
Small intestine	Obstruction/Stenosis	(Case 4), (Case 6), 20, 58-61
	Multiple strictures/ Diffuse infilt	(Case 5)
Colon	Obstruction/Stenosis	25, 59, 62-65
	Asymptomatic abdominal Mass	19
	Multiple strictures/ Diffuse infilt	(Case 6), 66
	Polyp	67
Rectum	Obstruction/Stenosis	15,25,26, 68
	Linitis plastica	47