Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A VP shunt is again noted . There are new bilateral interstitial opacities , which predominate the left lung . Heart is mildly enlarged , unchanged accounting for differences in technique . Fullness of the right hilum is unchanged from ___ . No pneumothorax . There are stable , severe degenerative changes of both shoulders .
    OUTPUT:
    
New interstitial opacities predominating the left lung , which are suspicious for atypical infection .