Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable single frontal chest radiograph was obtained . There is mild atelectasis at the right lung base . No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is seen . The heart size is normal . Mediastinal and hilar contours are within normal limits . Median sternotomy wires and closure devices are intact .
    OUTPUT:
    
No focal consolidation to suggest pneumonia . Mild right basilar atelectasis .