Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is enlarged , but stable from multiple prior exams . The aorta is markedly tortuous . A metallic stent projects over the right upper lung . There is mild pulmonary vascular congestion without frank edema . A bandlike opacity at the base of the left lung likely represents atelectasis . Focal consolidation , effusion or pneumothorax is seen .
    OUTPUT:
    
Band like atelectasis of the base of the left lung . No focal consolidation identified . Pulmonary vascular engorgement without frank edema .