Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube terminate about 4 .5 cm above the carinal . An orogastric tube courses into the stomach . The cardiac , mediastinal and hilar contours appear stable . Vague retrocardiac opacity is not specific but most commonly would be explained by atelectasis . There is similar mild vascular engorgement but otherwise no definite change . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Findings suggest mild vascular congestion . Patchy retrocardiac opacity , probably minor atelectasis .