Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild enlargement of cardiac silhouette is unchanged . The aorta is tortuous , and the mediastinal and hilar contours are similar compared to the previous study . Pulmonary vasculature is not engorged . Paraseptal emphysematous changes , most pronounced within the right upper lobe , are also re - demonstrated along with lung hyperinflation . Streaky opacity is noted in the right lung base . No focal consolidation , pleural effusion or pneumothorax is present . Osseous structures remain diffusely sclerotic compatible with known metastatic disease .
    OUTPUT:
    
Right basilar streaky opacity , likely atelectasis . Early infection is not completely excluded