Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Right PICC terminates in the lower SVC . Right lung base opacities have improved while left base opacities have slightly increased since the prior exam . A small right pleural effusion may be present . No left pleural effusion or pneumothorax . Heart size and cardiomediastinal contours are stable .
    OUTPUT:
    
Slight increase in left base opacities and slight improvement in right base opacities . Findings are nonspecific and could represent infection in the appropriate clinical setting . Probable small right pleural effusion .