### instruction:
If you are a doctor, please answer the medical questions based on the patient's description.

### input:
Sometimes I wake up at night with a lump feeling in my chest. Age 70 male. No symptoms of burping or burning. I usually do not have any difficulties with eating or digestive disorders that I recall. My wife had a gall bladder operation and apparantly had similar symptoms. I recently took a treadmill stress test. I tested above age appropriate levels. All OK. I generally sleep on my back. The lump feeling goes away after about an hour. I do little exercise but am in generally very good health for my age. Blood pressure is controlled to around 125 over 85. Cholestoral is within normal limits toward the upper range. I am wondering if it is caused by

### output:

Hi Dear !! Thanks for your query to Chat Doctor. Read and reviewed your query and health concerns. IN the given situation, You seem to have suffered frogger with acid reflux. In the given scenario, chances of Gall bladder stones are less in your cases, as suggested from your query facts. But obesity with high normal cholesterol, needs to rule out hiatus hernia / at this advanced age, with lax tone of controlling sphincters and diaphragmatic muscles. Ekg and repeat stress test to rule out Cardiac dyspepsia, needs to be ruled out for your advanced age. Other causes leading to HERD acid reflux like IBS/ piles / fissure in ANO and others, needs to be ruled by Second opinion from GI Surgeon/Physician in your case. Work up on above lines suggested, would help in resolving the issues, in your specific case. Many other causes accompanying, need to be ruled out in planning further care in your case. Second opinion with attending GI- Surgeon would resolve your health.issues in time to come. Hope this would help you to plan further of this complex illness of yours. If need be, update any health issue 24 x 7 by a direct question to ME, at following Chat Doctor link-http://doctor.Chat Doctor .com/Funnel?page=askDoctorDirectly&docId=70229Dear, if satisfied, Dont forget to close this query with YOUR pleasing feedback comments to rate this reply and service, to boost the morale of incoming Emergency patients like YOU, at Chat Doctor services. If you want to update more details and ask more update queries, You are most Welcome herewith !! Good Day!! Wishing Good Healthy Life in time to come!! Chat Doctor. N. Senior Surgical Specialist. S. Genl-CVTS