Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate increased peribronchial markings , which could be consistent with a viral respiratory infection . The cardiomediastinal and hilar contours are unremarkable . There is no pneumothorax , pleural effusion , or consolidation .
    OUTPUT:
    
Increased peribronchial markings could be consistent with a viral respiratory infection . No focal consolidation .