Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Improved expansion of the lungs with deeper inspiration is noted on the second of two PA views . The lungs are clear its except for focal linear atelectasis at the left base . The heart size is top - normal . The mediastinum is unremarkable . Known millimetric pulmonary nodules are better assessed on the prior CT from ___ .
    OUTPUT:
    
No acute cardiopulmonary process .