Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . No features of cardiac decompensation . No airspace consolidation . No suspicious pulmonary nodules or masses . No effusions . No pneumothorax . The VP shunt is again seen projecting over the central mediastinum and appears unchanged . No subdiaphragmatic free air . No sinister bony lesion .
    OUTPUT:
    
No interval change . No features of a lower respiratory tract infection .