Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is at the upper limits of normal size . The mediastinal and hilar contours appear unchanged in comparing with the prior frontal scout view . There is no pleural effusion or pneumothorax . There are newly apparent opacities at the medial lung apex , probably bony in etiology , but it is difficult to exclude a lung nodule . Otherwise the lung fields appear clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . No evidence of acute disease . 2 . Nodular density at the left lung apex ; chest CT is recommended to evaluate further when clinically appropriate . An email was sent to the ED ___ nursing group regarding the recommended follow - up on ___ .