Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate normal lung volumes and no pleural effusion , focal consolidation or pneumothorax . Hilar and mediastinal silhouettes are unremarkable . Heart size is normal . Mild tortuosity of the descending aorta is noted . There is no pulmonary edema . Left sided rib fractures , involving left posterior 5th rib and left lateral ___ , ___ and possibly 4th ribs are of indeterminate age ; given lack of recent trauma or point tenderness at these locations , they are more likely not acute . Degenerative changes are seen along the spine .
    OUTPUT:
    
No evidence of acute cardiopulmonary process . Left sided rib fractures , as above , indeterminate age ; given lack of recent trauma or point tenderness at these locations , they are more likely not acute . Findings discussed with Dr . ___ on ___ at 3 :45 PM via telephone by Dr . ___