Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to prior exam taken approximately 8 hours prior , intra aortic balloon pump is seen approximately 3 .5 cm from the aortic knob . Lungs are clear . No pleural effusion or pneumothorax is seen . Again seen are right PICC terminating in upper SVC and left - sided central line likely terminating in main pulmonary artery . Moderate cardiomegaly and hilar contours are unchanged . 3 .5 x 1 .9 cm rounded mass in the right base is again seen .
    OUTPUT:
    
1 . Intra aortic pump ends approximately 3 .5 cm from the aorta knob . 2 . 3 .5 x 1 .9 cm rounded mass in the right base . Further evaluation with dedicated CT chest is recommended .