Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Multifocal parenchymal airspace opacities are not significantly changed compared to prior study but have progressed since ___ . The cardiomediastinal and hilar contours are stable . The pleural surfaces are normal . The left PICC line still terminates near the brachiocephalic / SVC junction and is unchanged . The right pacemaker is intact with leads terminating in the appropriate positions . Stable multiple healed left - sided rib fractures .
    OUTPUT:
    
Unchanged multifocal opacities likely represent an infectious process rather than heart failure . Unchanged position of left PICC line .