Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP chest radiograph ___ at 05 : 13 is submitted .
    OUTPUT:
    
There is a large layering left effusion . Bilateral mild to moderate perihilar and pulmonary edema has slightly worsened . The heart remains stably enlarged which may reflect cardiomegaly , although pericardial effusion should also be considered . Mediastinal contours are stable . Right internal jugular Port - A - Cath is unchanged in position with its tip projecting in the proximal right atrium . No pneumothorax , although the sensitivity to detect pneumothorax may be diminished as the patient was not imaged in the upright position .