Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wires and mediastinal clips are again noted . There is mild linear density in the lower lungs likely atelectasis . No convincing signs of pneumonia or edema . No large effusion or pneumothorax . No signs of congestion or edema . The heart is within normal limits of size . The mediastinal contour is stable and normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute findings in the chest .