Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable AP upright radiograph through the chest demonstrates cardiomegaly , stable when compared to prior study dated ___ . Interstitial lung markings and scattered ground - glass opacities are not significantly changed and compatible with chronic interstitial lung disease . There is no evidence of pulmonary edema or large pleural effusion . Hilar contours are within normal limits . Mild tortuosity or dilatation of the descending aorta is unchanged .
    OUTPUT:
    
Stable appearance of the chest when compared to prior study dated ___ . No findings convincing for pneumonia .