Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided demonstrate minimal plate - like left lower lung atelectasis . There is no focal consolidation , effusion , or signs of pulmonary edema . The heart is within normal limits of size and unchanged . Atherosclerotic calcifications noted along the aortic knob . Bony structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Mild plate - like left base atelectasis . Otherwise , normal .