Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal radiograph of the chest . Compared to the prior radiograph from two days ago , the lung volumes remain low with continued small right pleural effusion with otherwise no focal increase in opacity concerning for infection . The cardiac contour is unchanged , top normal . The aorta is still tortuous . The right subclavian catheter terminates at the cavoatrial junction . No pneumothorax is seen . Additionally , there is mild increase in aeration of the right lower lobe .
    OUTPUT:
    
Minimal increase in aeration of the right lower lobe with continued right pleural effusion and no evidence of new pneumonia .