Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a mild right peribronchial opacity which could be an early pneumonia . No pleural effusion or pneumothorax is seen . Cardiac , hilar , and mediastinal contours are normal . The right PICC ends in the cavoatrial junction .
    OUTPUT:
    
Mild right peribronchial opacity could be an early pneumonia .