Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is persistent blunting of the right costophrenic angle which may be due to pleural thickening . The left lung is clear . Evidence of mitral annulus calcification is seen . No definite new focal consolidation is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Persistent blunting of the right costophrenic angle without definite acute cardiopulmonary process .