<s>[INST] hello dr , i am abhishek from india (u.p),i want advice for my 61 yrs old uncle who is suffering from regular blood loss and hemoglobin counts below 6 due to blood loss,we have consult the local gastrologist and all the tests like ct scan , indioscopy,chlonoscopy, biopsy ,urine test,stool tests, liver function test etc. but all the reports are normal and there are no symptoms of blood loss. kindly please suggests us regarding with our problem for future consultation. [/INST] Hi Abhisheik, Where is the blood loss from ? Is it from the motions ? If yes and the endoscopy and colonoscopy are normal then you need to go for something that is known as capsule endoscopy. In UP , SGPGI lucknow probably has it ... if the hemoglobin is really    Hope I have answered your query. If you have any further questions I will be happy to help Regards Dr. Om Lakhani </s>