Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior chest radiograph and chest CTA , there is an apparent increase in opacification of the left lower lobe and associated small pleural effusion . The right basilar opacity is not significantly changed from prior and is known to represent metastatic disease . Cardiomediastinal and hilar contours are unremarkable . There is no pneumothorax . The Port - A - Cath catheter ends in the right atrium in unchanged position .
    OUTPUT:
    
New left basilar opacity with associated small pleural effusion may represent pneumonia . Right basilar consolidation is known to represent metastatic disease and is unchanged from prior .