You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A patient is on follow up for recurrent abdominal pain. USG revels Aoic aneurysm of 40 mm. What should be the next immediate step? and explain in detail?
Aoic aneurysm Indications of repair Diameter is >= 5.5 cm Symptomatic aneurysms - Operative repair of the aneurysm with inseion of a prosthetic graft or endovascular placement of an aoic stent graft is indicated for abdominal aoic aneurysms of any size that are expanding rapidly or are associated with symptoms.