Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is noted . Calcification of the mitral annulus . Median sternotomy wires are also seen . Multiple epicardial pacer leads are noted . There is vague right basilar opacity which could be impart due to overlying soft tissues . Elsewhere , the lungs are clear . There is no effusion or vascular congestion . No acute osseous abnormality is identified .
    OUTPUT:
    
Cardiomegaly . Vague right lower lung opacity could be atelectasis or in part due to overlying soft tissues noting infection can not be entirely excluded .