Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded . No focal consolidation , effusion , edema , or pneumothorax . Two ( sub - 5 mm ) , round opacities projecting over the medial upper left hemithorax could represent pulmonary nodules versus normal superimposed structures . Heart is normal in size . The mediastinum is not widened . Mild aortic calcifications in the knob are unchanged . No acute osseous abnormality . Post right shoulder rotator cuff repair is again noted .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Two ( sub - 5 mm ) opacities in the left upper lung , potentially pulmonary nodules versus normal structures superimposed .