SAN FRANCISCO, Oct. 25, 2007 (PRIME NEWSWIRE) -- Immunomedics, Inc. (Nasdaq:IMMU), a biopharmaceutical company focused on developing monoclonal antibodies to treat cancer and other serious diseases, today reported the development of two new antibody-drug conjugates, potentially for the therapy of colon and lung cancers, at the AACR-NCI-EORTC International Conference on Molecular Targets and Cancer Therapeutics: Discovery, Biology, and Clinical Applications, in San Francisco, CA.