Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen are several pulmonary nodules which by radiography do not appear significantly changed . There is a known right hilar mass . A lesion of the left posterior fifth rib also appears grossly similar . No new focal opacity to suggest pneumonia is seen . No pleural effusion , pulmonary edema , or pneumothorax is present . A small amount of atelectasis or scarring is present at the right base . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
Known pulmonary nodules , right hilar mass and left - sided rib lesion . No new focal opacity to suggest superimposed acute process .