Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate bibasilar patchy opacity , left greater than right which are consistent with pulmonary contusion . The left pneumothorax and rib fractures are better appreciated on the CT . There is a small left pleural effusion . The cardiac and mediastinal contours are normal . There is no free air is seen underneath the diaphragm .
    OUTPUT:
    
Bilateral pulmonary contusions , left greater than right . Small left pneumothorax and rib fractures are better appreciated on the CT .