Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Unchanged mediastinal and hilar borders . Heart size demonstrates stable cardiomegaly . Multifocal opacifications throughout both lungs and may represent atypical infectious process with a less likely consideration given to pulmonary edema ; there is relative absence of central pulmonary vessel prominence . No pleural effusion or pneumothorax is evident . Redemonstration of pacemaker including abandoned leads in the right atrium , right ventricle and left ventricle epicardial location , unchanged .
    OUTPUT:
    
Multifocal opacification throughout both lungs , possibly representing atypical infectious process , with a less likely consideration given to pulmonary edema .