Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided AICD device is noted with single lead terminating in the region of the right ventricle . Right PICC tip terminates in the upper SVC . Heart size remains severely enlarged , unchanged . Mediastinal and hilar contours are similar . There is mild upper zone vascular redistribution suggestive of chronic elevated venous pressures without overt pulmonary edema . No focal consolidation , pleural effusion or pneumothorax is seen . No acute osseous abnormality is seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Marked cardiomegaly with chronic mild pulmonary vascular congestion .