Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single semi-erect AP portable view of the chest was obtained . No focal consolidation , large pleural effusion or pneumothorax is seen . A trace left pleural effusion would be difficult to exclude . No overt pulmonary edema is seen . The cardiac silhouette is top normal . The aorta is tortuous .
    OUTPUT:
    
No focal consolidation seen . No large pleural effusion , though trace left pleural effusion would be difficult to exclude .