CachexiaAnorexia NervosaAnorexiaAppetite StimulantsWasting SyndromeMuscular AtrophyMegestrol AcetateBody WeightBulimiaEatingBulimia NervosaEating DisordersWeight LossAppetiteGhrelinNeoplasmsMuscle, SkeletalRefeeding SyndromeMelanocortinsReceptor, Melanocortin, Type 4Body CompositionNutritional SupportFeeding BehaviorPeptide HormonesLeptinInterleukin-6AmenorrheaEnergy MetabolismNeoplasms, ExperimentalTumor Necrosis Factor-alphaNutritional StatusNeoplasm TransplantationFluoxymesteroneWeight GainReceptors, Ghrelin