Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Faint linear densities in the lower lungs likely reflect platelike atelectasis . The lungs are otherwise clear . There is stable prominence of the mediastinal silhouette , which has been previously assessed by CT chest from ___ . The heart size is normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute findings .