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 . Ill - defined increased opacity at the right lung base is noted , better appreciated on the frontal view , which may indicate bronchitis . Mild bronchial cuffing is also seen . No acute abnormality of the upper abdomen is seen .
    OUTPUT:
    
Vague increased density at the right lung base with bronchial cuffing , which may indicate bronchitis .