instruction: hello doctor patient left leg is swollen at ankle with severe pain at the joint for the past 10 days he is unable to walk regularly as before he has taken antibiotic and still the pain remains the same patient has done ray and blood test and everything seems to be fine there is no accident or any hit there he used to go for evening walk daily for around to am these symptoms started 10 days ago patient is 61 years old having gastric issue and has undergone stomach surgery twice please advise me how to deal with his health issue
output: hi I guess you are talking about your father here in this query to arrive at a provisional diagnosis kindly answer these questions follow up with answers to the above questions for better evaluation of his condition to an orthopaedician and traumatologist online