Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest was obtained with patient in supine position . Comparison is made with the next preceding similar study with patient in semi-erect position obtained on the preceding day . The patient remains on respirator , the tracheal cannula in unchanged position . Heart size is unchanged . Right - sided chest tube also in unchanged position terminating in right apical area . Both lungs remain now aerated with no evidence of significant pneumothorax remaining . Multiple displaced rib fractures ( at least six on right side ) as well as left - sided rib fractures mostly in lower chest wall appear grossly unchanged . No evidence of new densities that would indicate hemorrhage into mediastinum or pleural space .
    OUTPUT:
    
Grossly stable chest findings .