Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Numerous mediastinal clips and sternal wires denote prior cardiac surgery . Chronic mild to moderate cardiomegaly is of unknown chronicity . Low lung volumes result in bronchovascular crowding . Linear bibasilar opacities are most compatible with atelectasis . Bronchial cuffing is not accompanied by any other findings of acute heart failure . The central pulmonary vessels are normal in caliber . There is no pneumothorax , focal consolidation , or pleural effusion .
    OUTPUT:
    
Bronchial inflammation . Moderate cardiomegaly .