Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest provided . The patient is again rotated to the right . There is no focal consolidation , effusion , or pneumothorax . Blunting of the right costophrenic angle is likely due to scarring . Marked emphysematous changes are seen with lung hyperinflation . Cardiomegaly is mild . No free air below the right hemidiaphragm is seen . Aortic calcifications are not significantly changed from prior . Contrast from recent CT examination is noted in the renal collecting systems bilaterally .
    OUTPUT:
    
No acute intrathoracic process .