Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube terminates approximately 5 cm above the carinal . The cardiac , mediastinal and hilar contours appear within normal limits . There is no pleural effusion or pneumothorax . A platelike opacity projecting over the left lower lung suggests minor atelectasis or scarring . Aeration has improved at the medial right lung base .
    OUTPUT:
    
Status post endotracheal intubation . Better aeration at the right lung base ; otherwise no significant change .