Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate interval resolution of left pleural effusion and atelectasis . The lungs are clear . The cardiac and mediastinal contours are normal . No pleural abnormality is detected .
    OUTPUT:
    
Interval resolution of left - sided pleural effusion and atelectasis with no acute cardiopulmonary process .