Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . There is mild left basilar atelectasis , otherwise the lungs are clear bilaterally with no evidence of CHF . No pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal . There are no displaced rib fractures . No other bony abnormalities . There is no free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process . No displaced rib fractures . If there is strong clinical concern for rib fractures recommend rib series radiographs .