Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is no focal consolidation , effusion , or pneumothorax . Cardiomegaly is mild . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen . Calcification of the mitral annulus is not significantly changed . Degenerative changes in the spine are not significantly changed .
    OUTPUT:
    
No acute intrathoracic process .