Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy tube is in standard position . There is no evidence to suggest aspiration or pneumonia or pulmonary edema . Lung volumes are relatively low . There is no evidence of pleural effusion . Stomach is grossly distended with air . Heart size , mediastinal and hilar contours are normal .
    OUTPUT:
    
No evidence of aspiration or pneumonia .