Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is a right IJ Swan - Ganz catheter , with tip overlying the right pulmonary artery . I doubt significant interval change in position . Slight differences in relation to the vertical portion of the catheter in the IVC , compared to the prior film , may be accounted for by differences in the patient positioning . However , when compared to the film from ___ , the tip of the Swan - ___ catheter is more distal . No pneumothorax is detected Again seen is a left - sided pacemaker / defibrillator device with lead tips over the right atrium and right ventricle and with additional lead unchanged . There is marked cardiomegaly , similar to the prior film . There is upper zone redistribution . Possible mild interval increase in degree of pulmonary vascular plethora . No focal consolidation or gross effusion is identified .
    OUTPUT:
    
1 . Doubt significant interval change in position of Swan - Ganz catheter , with tip overlying the right pulmonary artery . 2 . Cardiomegaly , unchanged . 3 . Suspect mild CHF .