cd20 positive lymphomacd20 positive cellscd30 cd20 positive lymphomacd20 positive hodgkin's lymphomacd3 and cd20 positive lymphomacd20 positive t cell lymphomacd20 follicular lymphomafollicular lymphoma recurrenceprognosis for follicular lymphomapictures of follicular lymphomafollicular lymphoma relapseindolent follicular lymphoma