Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increased interstitial markings appear slightly increased in the left upper and right lower lobe since ___ . There is no focal opacity concerning for pneumonia . The cardiomediastinal silhouette is stable in size . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Increased interstitial markings in the left upper and right lower lobes since ___ may indicate interval progression of known interstitial lung disease related to scleroderma . 2 . No new opacity concerning for pneumonia . No pleural effusion .