Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube , enteric tube , and right PICC tube are appropriately positioned . A right pleural effusion is small and left lung base is incompletely imaged , although there is likely a small pleural effusion there is well . Heterogeneous opacities in the right upper and lower lung may indicate multifocal infection . No pneumothorax .
    OUTPUT:
    
Interval increase in right apical and basal opacities possibly representing multifocal infection .