CAMBRIDGE, Mass.--(BUSINESS WIRE)--ImmunoGen, Inc. (Nasdaq: IMGN), a biopharmaceuticals company that develops targeted anticancer therapeutics using its Tumor-Activated Prodrug (TAP) technology, today announced that huC242-DM4 Phase I findings, preclinical support for its Phase II evaluation in gastric cancer, and additional information on the activation of TAP compounds inside tumors are being reported at the AACR-NCI-EORTC “Molecular Targets and Cancer Therapeutics” International Conference being held in San Francisco, CA.