Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior study of ___ , there is increased pulmonary vascular congestion and diffuse interstitial abnormality . Peribronchial cuffing is moderate . No pleural effusion or focal consolidation . Heart size is mildly enlarged , as before .
    OUTPUT:
    
Diffuse interstitial abnormality and peribronchial cuffing compatible with small airway inflammation .