This disclosure relates to treatment of T cell diseases, particularly T cell lymphomas (TCLs) including, in particular, cutaneous T cell lymphomas (CTCLs) such as Sezary Syndrome (SS) and mycosis fungoides (MF), by targeting tumor-associated glycoprotein-72 (TAG-72).

Chimeric antigen receptors targeted to TAG72 and the use thereof to treat ovarian cancer and other cancers are described.