WALTHAM, Mass.--(BUSINESS WIRE)--ImmunoGen, Inc. (Nasdaq:IMGN) will host a conference call at 4:30 pm ET on Thursday, April 30, 2009 to discuss the Company’s financial results for the three-month period ended March 31, 2009 – the third quarter of ImmunoGen’s 2009 fiscal year. Management also will provide an update on the Company.
