Department of Gastroenterology and Hepatology;
National Center for Global Health and Medicine;
Tokyo 162-8655;
Japan;
Clinical Laboratory and Pathology;
National Center for Global Health and Medicine;
Tokyo 162-8655;
Japan;
Division of AIDS Clinical Center;
National Center for Global Health and Medicine;
Tokyo 162-8655;
Japan;
Department of Gastroenterology and Hepatology;
National Center for Global Health and Medicine;
Kohnodai Hospital;
Chiba 272-0827;
Japan;
Acquired; immune; deficiency; syndromerelated; lymphoma; Non-Hodgkin-lymphoma; EpsteinBarr; virus; infection; c-MYC; rearrangement; Endoscopic; appearance;