Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable chest radiograph demonstrates unremarkable mediastinal , hilar , and cardiac contours . Minimal stable atelectasis noted in the bilateral lower lungs , right greater than left . Bilateral chest tubes projecting over lung bases with no reaccumulation of pleural effusions or pneumothorax . Other lines and tubes in appropriate position .
    OUTPUT:
    
No pleural effusions bilaterally .