Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Semi-upright portable view of the chest demonstrates right internal jugular central venous catheter and left subclavian central venous catheter tips projecting over mid SVC . Sternotomy wires appear intact . Left PIC catheter tip terminates in the left axilla , unchanged . Multiple surgical clips and aortic vascular stents are unchanged in position . Moderate right pleural effusion is unchanged since ___ . Small left pleural effusion can not be excluded . There is moderate - to - severe cardiomegaly . Mediastinal silhouette is widened , unchanged . Moderate pulmonary edema is stable . There is no pneumothorax .
    OUTPUT:
    
Moderate right pleural effusion and pulmonary edema , not significantly changed since ___ exam .