Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest radiograph ___ at 08 : 57 is submitted .
    OUTPUT:
    
Right internal jugular Swan - Ganz catheter has its tip in the right pulmonary outflow tract . A right subclavian PICC line ends in the proximal to mid SVC . There has been interval placement of an intra-aortic balloon pump which has its tip approximately 3 cm below the top of the aortic knob . The heart remains enlarged . Mediastinal contours are stable . Right pleural abnormalities are stable and may reflect loculated pleural fluid . More rounded right basilar pleural based opacity is unchanged . Left lung remains grossly clear . No pulmonary edema .