Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax . The lungs are well - expanded . Mild peribronchial cuffing is seen . Increased interstitial markings are seen at the lung bases . There is no discrete focal consolidation concerning for pneumonia . Pulmonary vascularity is within normal limits . The upper abdomen is unremarkable . There is no acute osseous abnormality .
    OUTPUT:
    
Mild peribronchial cuffing with increased markings at the bases , which may be due to soft tissue attenuation . Bronchitis could also result in this appearance .