Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a right pleural effusion , the size of which is difficult to ascertain . There is unchanged bilateral lower lobe and right middle lobe collapse . The small left pleural effusion is unchanged . There is no pulmonary vascular congestion or pneumothorax . The cardiac and mediastinal contours are not well visualized .
    OUTPUT:
    
Stable large right pleural effusion and increasing left pleural effusion . Feasibility of of thoracentesis would best be evaluated with decubitus films . Ultrasound guidance can also be considered .