The nurse is obtaining a health history from a patient and determines that the patient has had an unintentional weight loss along with progressive muscle wasting. the patient also reports lack of appetite. what is the most likely cause of these findings?

Cachexia is a loss of weight, muscle atrophy, extreme fatigue and loss of appetite in people that are not trying to loss weight. Is seen in people with end-stage cancer, advanced stages of chronic kidney disease, cystic fibrosis, multiple sclerosis, parkinson's disease and AIDS.