Lin CC, Lai HW, Tsai MC, Chen TH, Tseng SW, Chang H, Chen TY. Extranodal marginal zone B-cell lymphoma of the gastrointestinal tract sparing only the esophagus: a case report. Turk J Gastroenterol. 2012 Feb;23(1):58–62. doi: 10.4318/tjg.2012.0371. PMID: 22505381.