Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views the chest provided . Patient is slightly rotated to her left . Lung volumes are low though allowing for this , aside from mild basilar atelectasis the lungs appear clear . No large effusion or pneumothorax is seen . No edema or signs of congestion . The heart size can not be assessed . The mediastinal contour appears unremarkable aside from atherosclerotic calcification along the aortic knob . Bony structures are intact .
    OUTPUT:
    
No acute intrathoracic process .