Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . The lungs are slightly underinflated . The central pulmonary vessels are prominent , however , no overt edema is seen . Mild prominence of the right hilum is unchanged . Linear bibasilar densities are most compatible with atelectasis . There is no focal consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
No acute intrathoracic process .