Primary esophageal lymphoma

Primary gastrointestinal lymphoma of primary gastrointestinal lymphoma (primary malignal lymphoma of esophagus) belongs to extralymphatic lymphoma, which is relatively rare, and the incidence of less than 4% of all gastrointestinal malignancies. The proportion of extra-lymph node lymphoma in malignant lymphoma is 24% to 25%, of which 15% are found in the tonsils or in the pharyngeal lymph ring (Waldeyer ring surrounded by the pharyngeal tonsil, eustachian tube tonsil, tongue tonsil, and palatine tonsil) ).

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