Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Left chest wall AICD is again noted with leads extending to the region the right atrium right ventricle . The heart remains moderately enlarged . The lungs are clear aside from minimal platelike left basal atelectasis . No pleural effusion or pneumothorax . No pulmonary edema . The hila appear mildly congested . Mediastinal contour is normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Mild cardiomegaly with probable mild hilar congestion .