Hi please can anyone give me some advice my dad as be told he as stage 4 lung cancer noules in both lungs and hes been offered chemotherapy pemetrexed/carboplatin just to prolong his life I'm totally heartbroken as hes showing no signs or symptoms , not lost any weight I'm scared of this sort of treatment hes 83 , as anyone been in this situation themselves as my dad is in two minds refusing this .