Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left lower lobe atelectasis is noted . A single lead AICD is in the proper location with its tip terminating in the right ventricle . There is no focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . Mild , stable cardiomegaly is noted . Mediastinal and hilar contours are stable .
    OUTPUT:
    
No radiographic evidence for acute cardiopulmonary process .