Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest . Endotracheal tube ends 3 .1 cm from the carina in appropriate position . Right internal jugular central venous catheter ends in the right brachiocephalic vein . Left IJ central venous catheter ends at the confluence of brachiocephalic veins . The intra-aortic balloon pump has been removed . There are low lung volumes and continues to be minimal pulmonary edema and moderate cardiomegaly without substantial change . No pleural effusion or pneumothorax .
    OUTPUT:
    
Status post intra-aortic balloon pump removal , continues to be minimal pulmonary edema without substantial change .