Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is moderate cardiomegaly , not significantly changed since prior examination . There is mild pulmonary vascular congestion . However there is no overt pulmonary edema . There is a focal area of linear atelectasis at the right lower lobe . No focal consolidation , pleural effusion or pneumothorax identified .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Stable cardiomegaly with mild vascular congestion , but no overt pulmonary edema .