From the transcript of Letterman show with Warren Zevon
Dave: what was the diagnosis?
WZ: it’s lung cancer that’s spread.
Dave: that’s tough.
WZ: it means you better get your dry cleaning done on special.
…
Dave: from your perspective now, do you know something about life and death that maybe I don’t know now?
WZ: not unless I know how much you’re supposed to enjoy every sandwich. you know.