Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Elevation of the left hemidiaphragm is chronic . The cardiac silhouette size is difficult to assess given the presence of the elevated left hemidiaphragm but appears relatively unchanged compared to the scout view from the previous CT . The aorta is unfolded . The hilar contours are normal . Pulmonary vasculature is not engorged . Bilateral calcified pleural plaques are re- demonstrated . No focal consolidation , pleural effusion or pneumothorax is seen . Subsegmental atelectasis is noted in the left lung base . There are no acute osseous abnormalities .
    OUTPUT:
    
Calcified pleural plaques compatible with a history of prior asbestos exposure . Chronically elevated left hemidiaphragm with adjacent subsegmental atelectasis . No acute cardiopulmonary abnormality otherwise demonstrated .