title: Patients' perception of involuntary weight loss: implications of underestimation and overestimation.
mesh_terms: D001294:Attitude to Health; D001835:Body Weight; D006801:Humans; D009369:Neoplasms / Q000523:psychology; D011446:Prospective Studies; D011602:Psychophysiologic Disorders / Q000523:psychology; D012649:Self Concept