Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest was obtained . There has been interval improvement in the consolidative opacity at the right lung base . The right hemidiaphragm and right heart border remain indistinct , with residual heterogeneous opacities remaining in the right middle and lower lobes . A small right pleural effusion is similar to prior . No pneumothorax . The heart size is at the upper limit of normal , similar to prior . A left subclavian central catheter terminates in the lower SVC .
    OUTPUT:
    
Heterogeneous right middle and lower lobe opacities , improved since ___ ; stable small right pleural effusion .