Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left chest Port - A - Cath terminates in the upper SVC , unchanged from ___ . Lung volumes are slightly lower than in ___ , accentuating pulmonary vasculature . The lungs are otherwise clear . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
No pneumonia . LARGE RIGHT PULMONARY ARTERY , STABLE SINCE ___ , SHOULD BE FOLLOWED BY ANNUAL CHEST RADIOGRAPHS .