Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are within normal limits . Trachea is central . The cardiomediastinal contour is on changed . No consolidation , pneumothorax or pleural effusion seen . Atelectasis the left lung base , similar in appearance when compared the prior study . The percutaneous gastrostomy tube in the upper abdomen appears be partially uncoiled .
    OUTPUT:
    
No acute cardiopulmonary process seen . Partial uncoiling of the pigtail for the percutaneous gastrostomy tube .