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 . A number of calcifications in the central mediastinum suggest a calcified lymphadenopathy which can be seen with prior granulomatous exposure . There is a patchy right infrahilar opacity most suggestive of atelectasis , present before although similar to perhaps slightly increased . Otherwise , the lungs appear clear . There are no pleural effusions or pneumothorax . Small to moderate degenerative changes are noted along the mid to lower thoracic spine . Surgical clips project along the base of the neck .
    OUTPUT:
    
Patchy right infrahilar opacity suggestive of atelectasis without definite evidence for pneumonia , although follow - up radiographs could be considered if clinically appropriate .