Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is moderate to severely enlarged , slightly increased when compared to the prior exam . The mediastinal contours are unchanged . There is mild pulmonary edema , minimally increased compared to the prior exam . Left basilar streaky opacity likely reflects atelectasis . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Mild congestive heart failure with the degree of pulmonary edema slightly increased compared to the prior exam .