Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval endotracheal intubation . The endotracheal tube terminates about 4 .5 cm above the carina . A pacemaker lead again terminates in the right ventricle . The heart is again enlarged . Calcification is noted along the left apical cardiac margins , as before . The mediastinal and hilar contours appear stable . The lungs appear clear . There are no pleural effusions or pneumothorax .
    OUTPUT:
    
Status post endotracheal intubation . Cardiomegaly . No definite evidence of acute disease .