Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Lungs are clear except for a questionable new peripheral subcentimeter nodule in the left lower lung at the level of the sixth anterior left rib . . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Questionable new subcentimeter peripheral left lower lung nodule , for which further evaluation with chest CT is recommended .