Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph was provided . The heart is moderately enlarged . There is mild pulmonary edema . No large effusion or pneumothorax is seen . The mediastinum appears stable in overall configuration . Tracheobronchial tree calcification is noted . Bony structures appear intact .
    OUTPUT:
    
Pulmonary edema , cardiomegaly . Stable mediastinal contour .