Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy tube tip appears to remain in unchanged position . Lung volumes are low . Heart size is normal . Mediastinal and hilar contours are unremarkable . No focal consolidation , pleural effusion or pneumothorax is identified . Pulmonary vasculature is not engorged . Partially imaged is a percutaneous gastrostomy catheter projecting over the right upper abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .