Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , pleural effusion , or pneumothorax . There is no evidence of pulmonary edema . The heart is mildly enlarged with a left ventricular configuration . Atelectasis at the right base has improved . Osseous structures are unremarkable .
    OUTPUT:
    
Improved atelectasis at the right base and improved pulmonary edema .