Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright portable chest radiograph was provided . Overlying EKG leads are present . The lungs are clear , though there is mild hyperinflation with subtle increased reticular markings which could reflect underlying interstitial lung disease . The heart is mildly enlarged . No effusion or pneumothorax is seen . The aorta is unfolded . No convincing signs of pulmonary edema . The bony structures are intact .
    OUTPUT:
    
No acute findings . Possible mild chronic interstitial lung disease .