The effect of cancer cachexia on the oxidative metabolism of lipids has been studied in mice transplanted either with the MAC16 adenocarcinoma, which induces profound loss of host body weight and depletion of lipid stores, or the MAC13 adenocarcinoma, which is of the same histological type, but which grows without an effect on host body weight or lipid stores. While oxidation of D-[U-'4C]glucos...