Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ET tube tip lies at the level of the mid clavicular heads . The carina is not well delineated , but the tip of the ET tube likely lies approximately 4 .7 cm above the carina . An NG type tube is present , tip overlying the stomach . No NG sideport is identified . If present , the NG tube sideport may be obscured by a spine hardware . If so , it lies in the region of the GE junction , probably slightly proximal to the GE junction . No pneumothorax is detected . Inspiratory volumes are slightly low . The cardiomediastinal silhouette is unchanged . There has been slight interval improvement in degree of retrocardiac opacity , consistent with interval improvement in left lower lobe collapse and / or consolidation is noted . New no new focal opacity or area of consolidation is identified . No gross right or left pleural effusion is seen . Small effusions could still be present . Mild vascular plethora likely relates to supine positioning . Doubt overt CHF . Spinal fixation hardware noted . An ovoid locule of air in the right cardiophrenic region is unchanged compared with the preoperative chest x-ray from ___ this likely represents artifact due to suture material from prior lung surgery .
    OUTPUT:
    
Slight interval improvement in the degree of retrocardiac opacity . No new infiltrate or consolidation . No pneumothorax or gross effusion . Doubt overt CHF . NG tube tip overlies the stomach . Please see comment regarding possible sideport location .