Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate stable severe cardiomegaly with significant mitral annular calcification . Mediastinal and hilar contours are unremarkable . Lungs are clear . No pleural effusion or pneumothorax .
    OUTPUT:
    
Stable severe cardiomegaly with mitral annular calcifications . No acute cardiopulmonary process .