The present application provides the amino acid and nucleic acid sequences of heavy chain and light chain complementarity determining regions of a cancer specific antibody. In addition, the application provides cancer specific antibodies and immunoconjugates comprising the cancer specific antibody attached to a toxin or label, and methods and uses thereof. The application also relates to diagnostic methods and kits using the cancer specific antibodies disclosed herein. Further, the application provides novel cancer-associated epitopes and antigens, and uses thereof.
