Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are coarsened peribronchovascular interstitial markings . Scattered ground - glass opacities are also noted , which appear ill defined . No pleural effusion or pneumothorax is present . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
Coarsened interstitial markings with ground - glass opacities are nonspecific , however , could indicate infection including atypical infection such as PCP .