Pathology 70 year old man has abdominal pain with mass in abdomen. Angiography reveals aneurysm of aoa. Most likely cause is – A Trauma B Atherosclerosis C Syphilis D Congenital 💡 Explanation 70 year old man has abdominal pain with mass in abdomen. Angiography reveals aneurysm of aoa. Most likely cause is - ✓ Correct Answer: B. Atherosclerosis