Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . There are low lung volumes . No lung nodules or masses are visualized . The heart is top normal in size . No evidence of COPD is seen on this study . There is no focal pneumonia , pleural effusion , or pulmonary edema .
    OUTPUT:
    
No acute cardiopulmonary disease . No lung nodules or masses . No evidence of COPD .