George Canellos on aggressive chemotherapy's failure to benefit patients with high-risk B-cell lymphoma.

Massimo Martelli of University of Perugia on infused donor T-regulatory cells to prevent graft-vs-host-disease in patients with leukemia & lymphoma; comments from Armand Keating of the University of Toronto.

Mathias Rummel of University Hospital in Germany on using bendamustine rather than CHOP combined with rituximab for treating indolent lymphomas—front-line. Commenting: Dr. Canellos and Richard Van Etten of Tufts University.

Eduardo Rego of the University of Sao Paolo on his networking between North and South America to improve treatment of APL in developing countries. Adding their thoughts: Dr. Canellos and Richard Larson of the University of Chicago. OT Interviewers: Peter Goodwin and Sarah Maxwell.