it's the subject of tonight's frontline, featuring doctor atul gawande, a surgeon and writer who has a recent book on the subject called, "being mortal." the film profiles several personal stories including that of jeff shields, a man who was suffering from a rare form of lymphoma and underwent a bone marrow transplant. his cancer returned and he made a decision to die at home. here's an excerpt about that decision, and how he discussed it with his grandson. ♪ >> as this home time began to unfold, i began to realize how... how difficult it was, partly because our house was not organized or arranged to comfortably do this. suddenly you have a hospital bed in the middle of your living room. >> then i need you to help me bring my feet up. >> here, malcolm. we're going to help pop pop take his slippers off. can you do that? you want it to be as comfortable and happy a place for him as it can be. and at the same time, it's, you know, it's sort of the elephant in the room. >> have i talked to you at all >> have i talked to you at all about my thoughts on dying? >> no. >> is it too hard? ok