Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the prior radiograph , there is now increased fluid in the oblique fissure as well as an increase in the apical fluid . A left - sided subclavian line terminates at the confluence of brachiocephalic and the SVC . Slight increase in the bibasilar opacities could represent an early infectious process . The cardiomediastinal silhouette and hilar contours are stable . No pleural effusion or pneumothorax .
    OUTPUT:
    
Slight increase in bibasilar opacities concerning for an early infectious process .