Organ transplant recipients are at risk for<unk>  <unk> . Risk factors include immunosuppressive therapy and Epstein-Barr virus. Non-Hodgkin lymphoma represents up to 93% of lymphomas in<unk>  patients. Early recognition of the disease is essential because spontaneous regression may occur after a decrease in the dosage or even complete cessation of immunosuppressive therapy or with antiviral therapy. The most common sites of involvement are lymph nodes and the gastrointestinal tract.
Posttransplantation lymphoproliferative disorder
Post transplant lymphoproliferative disorder
AIDS-related lymphoma
Splenic marginal zone lymphoma
Graft-versus-host disease
Immune reconstitution inflammatory syndrome
Nodal marginal zone lymphoma
Hodgkin's lymphoma