Systemic lymphoma initially presenting as an esophageal mass.
D000368:Aged; D003937:Diagnosis, Differential; D004938:Esophageal Neoplasms / Q000175:diagnosis*; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis*; D006801:Humans; D008223:Lymphoma / Q000175:diagnosis*; D008297:Male