The underweight patient.
D000273:Adipose Tissue; D000293:Adolescent; D000328:Adult; D000856:Anorexia Nervosa / Q000175:diagnosis; D001823:Body Composition; D001835:Body Weight; D003920:Diabetes Mellitus / Q000175:diagnosis; D004614:Emaciation / Q000209:etiology*; D004700:Endocrine System Diseases / Q000175:diagnosis*; D005260:Female; D006801:Humans; D006980:Hyperthyroidism / Q000175:diagnosis; D008060:Lipodystrophy / Q000175:diagnosis; D008297:Male; D008875:Middle Aged