Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable chest radiograph ___ at 17 : 23 is submitted .
    OUTPUT:
    
A feeding tube is seen coursing below the diaphragm with the tip projecting over the stomach . The right subclavian PICC line is unchanged position with the tip in the distal SVC . Tracheostomy tube remains in satisfactory position with the tip approximately 4 cm above the carina . Heart remains stably enlarged . The perihilar edema has improved . However , there is persistent consolidation in the retrocardiac region likely representing lower lobe collapse in the setting of a small layering left effusion .