Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild patient rotation slightly limits evaluation . The heart size appears normal . The mediastinal and hilar contours are unremarkable . Large substernal thyroid goiter is again noted which narrows and deviates the airway to the left . No focal consolidation , pleural effusion or pneumothorax is seen . There is no pulmonary vascular congestion . There are no acute osseous abnormalities visualized including no displaced rib fractures .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Thyroid goiter , which narrows and displaces the airway to the left . No definite displaced rib fractures are noted , but if there is continued clinical concern , a dedicated rib series can be obtained .