Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate basilar - predominent linear opacities consistent with patient 's known interstitial lung disease . There is increased opacity at the left base and left hilus concerning for acute infectious / inflammatory process on top of the patient 's chronic interstitial lung disease . No pleural effusion or pneumothorax is seen . The cardiac silhouette is normal in size . Mediastinal contours are within normal limits and unchanged . The trachea is midline . There is a deformity of the right lateral 8th rib which is unchanged from the prior study consistent healed rib fracture .
    OUTPUT:
    
Increased opacity at the left base and left hilus concerning for an acute infectious / inflammatory process on top of patient 's known interstitial lung disease . Telephone notification to Dr . ___ by Dr . ___ at 22 :30 on ___