Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are somewhat low , with atelectasis in the bilateral lung bases . The heart is mildly enlarged , unchanged compared to prior studies . There is no pneumothorax , over pulmonary edema , or focal consolidation concerning for pneumonia .
    OUTPUT:
    
Low lung volumes , bibasilar atelectasis , and stable mild cardiomegaly .