Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Subtle haziness projecting over the mid to lower lung field bilaterally is felt most likely due to overlying soft tissue . There are increased interstitial markings bilaterally which may be due to chronic lung disease or mild interstitial edema . Streaky and bilateral lower lobe atelectasis is seen . No definite focal consolidation is identified . There is no pleural effusion or pneumothorax . The cardiac silhouette is top - normal to mildly enlarged . Mediastinal contours are unremarkable .
    OUTPUT:
    
Increased interstitial markings bilaterally which may be due to chronic lung disease or mild interstitial edema .