Allen diagnosed with non - Hodgkin 's lymphoma . Diagnosis comes more than 25 years after he was treated for Hodgkin 's disease . He has begun treatment and is optimistic he can beat it , he said in interview .
Allen diagnosed with non-Hodgkin 's lymphoma . Diagnosis comes more than 25 years after he was treated for Hodgkin 's lymphoma . He has begun chemotherapy and is optimistic he can beat disease , sister says in memo .