Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is mildly tortuous . There are mild atherosclerotic calcifications along the aorta . The hilar contours are normal . Pulmonary vascularity is normal . Minimal blunting of the left costophrenic angle suggests a trace pleural effusion . Lungs are otherwise clear . No focal consolidation or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Tiny left pleural effusion . Otherwise no acute cardiopulmonary abnormality .