Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: This chest x-ray is read in conjunction with the CT of the chest performed on the same day . There are no focal opacities concerning for pneumonia . No pleural effusion or pneumothorax is seen . There is no pulmonary edema . The cardiac size is within normal limits . The aortic knob is calcified .
    OUTPUT:
    
No evidence of acute cardiopulmonary process . Please see chest CT from the same day for further details .