Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright portable view of the chest was obtained . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac silhouette is top normal to possibly minimally enlarged given AP technique , although appears similar as compared to the prior study . No overt pulmonary edema is seen .
    OUTPUT:
    
1 . No acute chest abnormality . 2 . Again seen top normal to possibly minimally enlarged cardiac silhouette given AP technique ; as mentioned on the prior study cardiac silhouette size warrants further evaluation if not performed since the prior study .