WALTHAM, Mass.--(BUSINESS WIRE)--ImmunoGen, Inc. (Nasdaq: IMGN), a biotechnology company that develops targeted anticancer products, today announced that will host a conference call at 4:30 p.m. ET on Thursday, January 28, 2010 to discuss the Company’s financial results for the three-month period ended December 31, 2009 – the second quarter of ImmunoGen’s 2010 fiscal year. Management also will provide an update on the Company.