Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Catheter extends over the anterior chest wall and is directed posteriorly , projecting over the left lower lung , likely terminating in the left pleural space as seen on prior CT from ___ . There is a trace left pleural effusion , likely related to the ventriculopleural shunt . No focal consolidation or pneumothorax is seen . Cardiomediastinal silhouette appears stable . Bony structures are intact . Clips in the right upper quadrant are noted .
    OUTPUT:
    
Ventriculopleural shunt appears in unchanged position . Small left effusion is likely related to shunt .