NPM3 and T-cell non-Hodgkin lymphoma: Likewise, MMTV integration 5'of Fgf8 on chromosome 19 is associated with activation of its expression and frequently the expression of Npm3 which is located 13Kb 3' of Fgf8. A similar phenomenon has been observed in rat T-cell lymphomas by Moloney murine leukemia virus integration at Mlvi-1 or Mlvi-4 on the activation of expression of Myc [23].