This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S., Subject name: Medicine
Figure below is an x-ray of an asymptomatic 64-year-old male executive coming in for his regular annual medical checkup. He had an anterior Q wave MI 4 years ago. What is your diagnosis? 
Select and explain. 
A. calcific pericarditis, B. left ventricular aneurysm, C. hydatid cyst, D. pleuropericarditis
B: left ventricular aneurysm
Answer: B: left ventricular aneurysm 
Explanation: Note the abnormal humped contour of the left ventricular border, with a curvilinear calcification following the abnormal cardiac contour. The presence of calcification in the ventricular wall and the abnormal left ventricular contour alerts one to the consideration of a ventricular aneurysm.