Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . A tracheostomy tube is unchanged in position . A left subclavian central venous catheter terminates at the lower SVC . The lung volumes are low . The heart size is normal . The hilar and mediastinal contours are within normal limits . The central pulmonary vessels are engorged , however , there is no overt edema . There is no pneumothorax or pleural effusion . There is a new focal opacity within the right upper zone which may reflect aspiration or small consolidation .
    OUTPUT:
    
New right upper zone opacity which may reflect suspected aspiration , versus early consolidation .