Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube tip terminates approximately 4 .8 cm from the carina . Heart size is normal . Mediastinal and hilar contours are unremarkable . Lungs are clear . Pulmonary vasculature is normal . No pleural effusion , focal consolidation or pneumothorax is seen . No acute osseous abnormalities present .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Standard positioning of the endotracheal tube .