Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy tube is still in place The left subclavian central line is in standard position an unchanged . The pleural fluid on the left lung is increased with opacification of the entire left lung . Heart size is slightly increased , with increased vascular congestion on the left side .
    OUTPUT:
    
The left pleural effusion is increased with mild fluid overload .