Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The comparison of right hydropneumothorax is difficult because of the different position of the patient and because there is no lateral view . Right lower lobe opacities are unchanged since yesterday but are improved since ___ . Moderate right subcutaneous air has improved . This patient had recent right upper lobe lobectomy . Left lung is unremarkable .
    OUTPUT:
    
Patient with recent right upper lobe lobectomy with right lower lobe pneumonia . 1 . Right lower lobe pneumonia is unchanged since yesterday , but improved since ___ . 2 . Residual right hydropneumothorax is hard to compare because of different position of the patient .