Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal with unremarkable cardiomediastinal silhouette and hilar contour . A new nodular opacity in the left lower lung is visible only on the PA projection without a lateral correlate and is likely extrathoracic . Again appreciated is bronchiectasis with bronchial wall thickening and slight nodular opacities particularly in the right upper lung unchanged from prior exam . Persistent leftward deviation of the trachea at the level of thoracic inlet is likely due to goiter .
    OUTPUT:
    
1 . Nodular opacity projecting over the left lung base , visible only on the PA view , is likely extrathoracic . If symptoms persist , the exam may be repeated with careful disrobing along with a check by radiologist to ensure exam adequacy . 2 . Chronic bronchiectasis .