Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No prior is available for comparison . A left chest tube is seen coursing into the medial left lung apex , mediastinal involvement not excluded . There are patchy bibasilar opacities , may be due to atelectasis , pulmonary contusion , or aspiration . Cardiac silhouette is top - normal to mildly enlarged . Mediastinal contours are unremarkable . Multiple left - sided rib fractures are seen .
    OUTPUT:
    
No prior is available for comparison . A left chest tube is seen coursing into the medial left lung apex , mediastinal involvement not excluded . There are patchy bibasilar opacities , may be due to atelectasis , pulmonary contusion , or aspiration