Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single lead left - sided AICD is stable in position extending to the expected location of the right ventricle . The cardiac silhouette remains moderately enlarged . Aorta is calcified . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . There is no pulmonary edema . There is no evidence of free air beneath the diaphragms .
    OUTPUT:
    
Enlargement of the cardiac silhouette without pulmonary edema . No evidence of free air beneath the diaphragms .