Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal with unfolding of the thoracic aorta . Calcifications are seen in the aortic knob . Cardiomediastinal silhouette and hilar contours are normal . Heterogeneous opacities in the left lung have slightly improved well heterogeneous opacities throughout the right lung corresponding to ground - glass finger has not significantly changed . There are trace bilateral pleural effusions . There is no pneumothorax . . Pleural surfaces are clear without effusion or pneumothorax .
    OUTPUT:
    
Scattered right greater than left opacities are redemonstrated , unchanged on the right , improved on left . Small bilateral pleural effusion .