Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube has been discontinued . Right internal jugular central venous catheter is in stable position in the low SVC . Two left - sided drains are in place . Mild cardiomegaly is unchanged . There is decreased widening of the mediastinum . There is no pneumothorax . Left basilar opacity appears slightly increased .
    OUTPUT:
    
Slight increase in left basilar opacification likely reflecting some combination of pleural effusion and atelectasis .