Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The lungs are hyperexpanded and there is flattening of the hemidiaphragms consistent with obstructive lung disease . There are no focal parenchymal opacities concerning for pneumonia . The heart , mediastinum , hilum , and pleural surfaces are normal . Biapical pleural thickening . There is an impression in the right border of the trachea possibly from an underlying thyroid nodule or may be due to the rotation of patient . No pleural effusion or pneumothorax . No pulmonary edema .
    OUTPUT:
    
1 . No nodules or masses identified . 2 . Slight bulging of the right border of the trachea , can be due to thyroid nodule or possibly due to the patient being rotated .