Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate no focal consolidations to suggest pneumonia . The aortic contours are unchanged with dilation of the aortic arch compatible with known dissection . There are stable bibasilar opacities . The trachea remains slightly deviated to the right . There is no pulmonary edema , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is stable . A severe dextroscoliosis is noted .
    OUTPUT:
    
No evidence of pneumonia . No interval change from priors .