Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views the chest demonstrate low lung volumes with resulting bronchovascular crowding . Linear opacities within both lungs likely represent atelectasis or scarring . There is mild enlargement of the hila and cephalization of pulmonary vasculature , consistent with mild interstitial edema . There is no focal consolidation or pneumothorax . A right - sided pacemaker device is noted at the leads terminating in the right atrium and right ventricle . Trace bilateral pleural effusions are present . The cardiomediastinal and hilar contours are unchanged . There is mild calcification of the aortic knob .
    OUTPUT:
    
1 . No focal consolidation . 2 . Mild interstitial edema with trace bilateral pleural effusions . 3 . Linear opacities within both lungs likely represent atelectasis or scarring .