Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph ___ at 16 :32 is submitted .
    OUTPUT:
    
The heart remains stably enlarged . Right subclavian PICC line is unchanged in position with the tip in the distal SVC . There is improved aeration at the right base consistent with resolving aspiration . No pulmonary edema or pneumothorax . No large effusion . A portion of an IVC filter is visualized .