Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Patient is mildly rotated . Heart is top normal in size . Aorta remains tortuous with calcifications noted in the arch . Streaky left basilar opacities likely represent atelectasis . There is no focal consolidation , pleural effusion , or pneumothorax . Lung volumes are low .
    OUTPUT:
    
No evidence of pneumonia .