Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , pleural effusion , or pneumothorax . A streaky retrocardiac opacity may represent developing infectious process . The mildly enlarged cardiac silhouette , pulmonary vascular engorgement and tortuous aorta are unchanged . Osseous structures are intact .
    OUTPUT:
    
A streaky retrocardiac opacity which may represent infection and / or atelectasis . Mild chronic cardiac decompensation .