Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The cardiac silhouette remains moderately to severely enlarged . No pleural effusion or definite focal consolidation is seen . There is minimal interstitial edema . Right - sided PICC is again seen , distal aspect not well seen , likely due to overlying left - sided AICD lead . Single - lead left AICD is seen with lead grossly similar in position . No evidence of pneumothorax is seen . The aortic knob is again calcified .
    OUTPUT:
    
Moderate - to - severe enlargement of the cardiac silhouette with minimal interstitial edema .