Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Analysis is performed in direct comparison with the next preceding PA and lateral chest examination of ___ . Heart size and the appearance of mediastinal structures including thoracic aorta are unchanged and stable . The pulmonary vasculature is not congested . The on previous examination identified rather nodular appearing densities located in the right upper lobe lateral segment and in the left hemithorax in a location compatible with the lingula of the left upper lobe , remain unchanged . They have not undergone any significant alteration in appearance or density . No new pulmonary abnormalities are present , no pleural effusion has developed as the lateral and posterior pleural sinuses remain free and no pneumothorax is seen in the apical area .
    OUTPUT:
    
Stable chest findings , no interval change since ___ in this patient with diagnosis of nodular sarcoidosis .