Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild flattening of the posterior hemidiaphragms on the lateral view . There is anterior eventration of the right greater than the left hemidiaphragm , which is unchanged . The lungs are clear without focal consolidation concerning for pneumonia , pleural effusion , or pneumothorax . The pulmonary vasculature is not engorged . The cardiac silhouette is top normal in size . The thoracic aorta is tortuous and mildly calcified at the aortic knob , similar to the prior study . The mediastinal contours are within normal limits . The trachea is slightly deviated to the right by the aortic knob . There is minimal biapical pleural scarring . Mild degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary process .