Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 2 views were obtained of the chest . The lungs are well expanded . Two fiducial markers are seen in the right upper lobe mass which appears grossly unchanged in the prior chest radiograph . There is no focal consolidation , pleural effusion or pneumothorax . The heart and mediastinal contours are unchanged . T12 compression fracture is unchanged .
    OUTPUT:
    
No acute intrathoracic process .