Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . A dual - lumen left - sided likely dialysis catheter is seen terminating in the low SVC . The cardiac silhouette remains enlarged . The aorta is calcified . Mediastinal and hilar contours are stable . There is persistent blunting of the left costophrenic angle which may be due to a trace pleural effusion or pleural thickening . No definite focal consolidation is seen . There is no evidence of pneumothorax .
    OUTPUT:
    
Persistent cardiomegaly . Blunting of the left costophrenic angle may be due to trace pleural effusion and / or pleural thickening .