Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph was provided . The heart is mildly enlarged . Biapical pleural parenchymal scarring is noted with right rib cage deformities . Subtle ground - glass opacity within the lungs is indeterminate , though mild edema not excluded . No large effusion is seen . No pneumothorax . Mediastinal contour is stable . Pulmonary hilar vasculature is prominent .
    OUTPUT:
    
Mild cardiomegaly , possible mild edema . Please refer to subsequent CTA chest for further details .