Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy and left - sided pacer defibrillator in the right ventricle are in adequate position . Right lower lung atelectasis accompanied by a small pleural effusion is stable . Mild cardiac congestion is also unchanged . Left lower lung atelectasis with small pleural effusion has increased . Mediastinal and cardiac contours enlargement is moderate and unchanged .
    OUTPUT:
    
1 . Slight worsening of left lower lung atelectasis with small pleural effusion . 2 Unchanged right lower lung atelectasis and pleural effusion . 3 . Stable mild cardiac congestion .