Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is mildly enlarged compared to the prior study . The mediastinal and hilar contours are unchanged . The pulmonary vascularity is normal . No focal consolidation , pleural effusion or pneumothorax is identified . Streaky opacity at the right lung base likely reflects atelectasis . There are no acute osseous findings .
    OUTPUT:
    
Interval increase in size of the heart , likely related to recent pregnancy . No pulmonary edema or focal consolidation to suggest pneumonia . Minimal right basilar atelectasis .