Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Minimal left basilar atelectasis is noted . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . No displaced rib fracture is seen .
    OUTPUT:
    
No acute cardiopulmonary process . No displaced rib fracture identified however , not a sensitive study for the detection of such . If high clinical concern for rib fracture , consider dedicated rib series or chest CT .