Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single semi-upright portable chest radiograph demonstrates interval extubation . A right IJ catheter tip is unchanged in position in the lower SVC . Right middle lobe airspace opacity is again seen , slightly improved from ___ . Small bilateral pleural effusions are present . Left basilar atelectasis is similar as is linear atelectasis scattered throughout the lungs .
    OUTPUT:
    
Improving right middle lobe pneumonia , though small bilateral effusions appear increased from prior .