Aggressive T-cell lymphomas (ATCLs) represent 10% to 15% of non-Hodgkin's lymphomas (NHLs) in adults. ATCLs show a worse prognosis than B-cell lymphomas.
Graft-versus-lymphoma effect for aggressive T-cell lymphomas in adults: a study by the Société Francaise de Greffe de Moëlle et de Thérapie Cellulaire.