Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , pleural effusion or pneumothorax . Multiple dense nodules in the left peripheral mid lung zone are new since the prior study . These most likely represent represent calcified pleural plaques The cardiomediastinal silhouette is unchanged . Moderate degenerative changes are present in the thoracic spine .
    OUTPUT:
    
Multiple nodular opacities in left mid peripheral lung zone . If prior radiographs since ___ can be obtained , an addendum can be issued . If no prior radiographs available , then recommend followup with repeat chest radiograph in eight weeks .