Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable frontal radiograph of the chest was acquired . The endotracheal tube ends 2 .6 cm above the level of the carina . A right internal jugular central venous catheter ends in the low SVC . A large bore left internal jugular central venous catheter ends in the mid SVC . An enteric catheter courses below the level of the diaphragm and out of the field - of - view inferiorly . The side hole of the enteric catheter is just below the gastroesophageal junction . Note is made of a prosthetic valve . Midline sternotomy wires are intact . Lung volumes are slightly low . Minimal pulmonary edema is not significantly changed . A wedge - shaped opacity along the medial aspect of the right lower lobe is slightly improved . Band - like subsegmental atelectasis in the right middle lobe is not significantly changed . There are no pleural effusions . No pneumothorax is seen . The heart and mediastinal contours are unchanged . Bilateral shoulder hardware is noted .
    OUTPUT:
    
1 . Stable positioning of lines and tubes with enteric catheter coursing below the diaphragm and out of the field - of - view inferiorly . 2 . Improved wedge - shaped right lower lung opacity and unchanged mild interstial pulmonary edema .