Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . In the right lung base medially , there is a vague opacity which abuts the diaphragm , non-specific , but in the appropriate clinical setting , could reflect pneumonia . No pleural effusion or pneumothorax . The cardiomediastinal and hilar contours are normal .
    OUTPUT:
    
Vague opacity in the right lung base medially , adjacent to the diaphragm , which in the appropriate clinical setting may reflect pneumonia but is non-specific .