Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . There is stable pleural thickening at the right lung base , accounting for the blunted CP angle . There is no new consolidation or definite size of effusion or pneumothorax . There is calcification along the region of the mitral annulus again noted . The heart size is not enlarged . The mediastinal contour is stable and normal . There is no acute bony abnormality . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
No acute intrathoracic process .