Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to previous exam from ___ . Faint left basilar opacity resolved on second frontal view and is therefore likely due to atelectasis . The lungs are clear . The cardiomediastinal silhouette is within normal limits . The osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .