Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . There are diffuse increased interstitial markings , with vascular cephalization , Kerley B lines , bilateral hilar engorgement , in the setting of stable moderate - to - severe cardiomegaly . Bilateral pleural effusions , right worse than left are also noted . There is no pneumothorax . A unicameral pacemaker is in the left hemithorax with the leads overlying the expected location of the right ventricle .
    OUTPUT:
    
Acute pulmonary edema in the setting of stable severe cardiomegaly .