This sucks Phil, went thru this (two different cancers, same results) with paternal grandfather and father and no easy way around it... Make everyday count for him but don't coddle him or patronize him as it'll show and you may not like the results.... Chemo back in the day was worse then the disease itself and wreaked havoc with the patient.... Lots of bad days during that treatment back then but hope they've made better strides with that stuff...
Stay strong and we're here for ya buddy....