Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New massive pleural effusion obscures most of the right lung . There is also partial right lung collapse without mediastinal shift . Radiation fibrosis seen on prior study most prominent at the hilum is mostly obscured by pleural effusion . The left lung is clear without pleural effusion . There is no pneumothorax . Visualization of the heart and mediastinum is limited .
    OUTPUT:
    
1 . New massive right pleural effusion and partial right lung collapse without mediastinal shift . 2 . The left lung is clear .