Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are within normal limits in this patient status post previous median sternotomy and coronary bypass surgery . Widespread calcified pulmonary nodules are present , most miliary in size , but a dominant calcified right upper lobe nodule measures 8 mm . Lungs are otherwise clear except for linear atelectasis at the right base and minimal patchy left retrocardiac opacification . Interval resolution of pulmonary edema , and basilar predominant airspace opacities and pleural effusions since ___ .
    OUTPUT:
    
1 . Resolution of acute pulmonary and pleural abnormalities present on ___ chest radiograph with minimal residual left retrocardiac opacities and a small focus of linear right basilar atelectasis . 2 . Widespread calcified pulmonary nodules are suggestive of previous granulomatous infection or healed varicella .