Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are appropriate . There is no focal consolidation concerning for pneumonia , pleural effusion or pneumothorax . Ill - defined nodular densities projecting over the right anterior third rib are of uncertain etiology . Calcified right paratracheal and right hilar lymph nodes suggest prior granulomatous infection . The cardiomediastinal contours are within normal limits . Partial calcification of the aortic knob is redemonstrated . No acute osseous abnormality is detected .
    OUTPUT:
    
1 . No focal consolidation concerning for pneumonia . 2 . Calcified right paratracheal and hilar lymph nodes similar to the prior study suggest prior granulomatous infection . 3 . Nodular opacities projecting over the right anterior third rib should be further evaluated with shallow oblique views of the chest .