Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate a heart size which is slightly increased compared to chest radiograph from 1 week prior . The remainder of the exam is essentially unchanged , demonstrating bibasilar atelectasis . The lungs are otherwise clear and there is no pleural effusion or pneumothorax .
    OUTPUT:
    
Slight increase in heart size , which may be due to variation in phase of the cardiac cycle . ECHO may be considered for further evaluation if clinically indicated . Otherwise unchanged exam . These findings were entered into the critical communications dashboard at ___ on ___ .