Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild bibasilar atelectasis is noted . No large focal consolidation is identified . There is no pneumothorax , pleural effusion , or pulmonary edema . The cardiomediastinal silhouette , pleural surfaces , and hilar contours are grossly normal . Pectus excavatum is unchanged . The known metastatic pulmonary lesions are better assessed on the recent CT chest with contrast from ___ .
    OUTPUT:
    
Known metastatic lesions poorly visualized . No signs of a superimposed pneumonia or pleural effusion .