Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube , enteric tube , and right PICC line are in satisfactory position . Left lower lobe collapse persists . Heterogeneous opacification of the right lung base has improved since the prior study , which may reflect redistribution of right pleural effusion secondary to upright position . The underlying heterogeneous parenchymal abnormality remains and is persistently concerning for pneumonia .
    OUTPUT:
    
1 . Slightly different appearance of the right lower lobe secondary to patient positioning and redistribution of the right pleural effusion . 2 . Persistent left lower lobe collapse . 3 . Heterogeneous right basilar opacity distal concerning for pneumonia .