Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Stable appearance of the 4 mm right lower lung nodular opacity , likely a vessel on end . No additional focal consolidations to suggest pneumonia . No pulmonary edema . Normal appearance of the cardiomediastinal silhouette . No pleural effusion . No pneumothorax .
    OUTPUT:
    
1 . No focal consolidations to suggest pneumonia . 2 . Stable 4 mm nodular opacity within the right lower lung , likely a vessel on end .