Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient has been extubated and a left subclavian central venous catheter and oropharyngeal tube have been removed . The patient is status post incompletely characterized lower anterior cervical fusion . The heart is again mild - to - moderately enlarged . Similar to prior findings , there is a small - to - moderate right - sided pleural effusion with associated opacification , probably due to atelectasis without substantial change . Particularly well visualized on lateral view is patchy parenchymal opacification in the vicinity probably due to atelectasis .
    OUTPUT:
    
Stable appearance of the chest with small to moderate persistent right - sided pleural effusion and adjacent opacity that is probably attributable to associated atelectasis , although not entirely specific .