CAMBRIDGE, Mass.--(BUSINESS WIRE)--ImmunoGen, Inc. (Nasdaq: IMGN) today announced that Mitchel Sayare, Chairman and CEO of the Company, will participate on the panel, Cancer Antibodies: Developing a Pipeline, at the 2006 RBC Capital Markets Healthcare Conference. This 55-minute panel session will begin at 11:00 a.m. EST on December 13, 2006, and will be webcast live. The Conference will take place at the Westin New York at Times Square hotel in New York City.