Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Dual lead left - sided pacemaker is again seen with leads extending to the expected positions of the right atrium and right ventricle . The cardiac and mediastinal silhouettes are stable . Increased perihilar interstitial opacities bilaterally consistent with mild to moderate pulmonary edema . No pleural effusion or pneumothorax is seen . There is a partially imaged left humeral prosthesis . Chronic deformity of the right shoulder with absence of the humeral head and cerclage wire is again seen .
    OUTPUT:
    
Pulmonary edema with persistent cardiomegaly .