Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Markedly interval progression of the right pleural effusion , now large and with leftward shift of the mediastinum . The left lung is clear . Unchanged position of the feeding tube which traverses the diaphragm .
    OUTPUT:
    
Recurrence of the right pleural effusion despite recent thoracentesis , now large with left - ward mediastinal shift .