Hi ! Good morning. I am Dr Shareef answering your query.
I must tell you in the beginning that the treating doctor of your friend would be the best judge to tell you what she has got, because the differential diagnosis though can be guessed from the partial history, confirmation could be done only by a detailed physical examination and related investigations.
If the doctors assume that it is the
appendix, then they would go for a surgery and the tissue for histo-pathology. However, history of loss of weight is perplexing in that simple appendix might not give rise to significant
weight loss as you described. Mostly chronic inflammatory diseases or some other kind of pathological process could land the patient up in gross weight loss. She would have to be investigated more to know the cause of weight loss, which could also be due to the history of
stress you wrote. Therefore the management would vary depending on the clinical findings and investigation reports by the treating doctor.
I hope this information would help you in discussing with your family physician/treating doctor in further management of your problem. Please do not hesitate to ask in case of any further doubts.
Thanks for choosing health care magic to clear doubts on your health problems. Wishing you an early recovery. Dr Shareef.