Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Pleural effusion has improved after thoracocentesis and is now minimal . There is no pneumothorax . Left small pleural effusion is unchanged . Mild cardiac congestion is also stable in this patient with severe cardiac contour enlargement which is partially explained by known pericardial effusion .
    OUTPUT:
    
1 . There is no pneumothorax after right thoracocentesis . Residual pleural effusion is minimal . 2 . Stable severe cardiac contour enlargement is partly explained by pericardial effusion .