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 similar study of ___ . The heart size is mildly enlarged but remains unchanged in comparison with the next preceding study . The same holds for the thoracic aorta , which is of normal ___ but shows some calcium deposits in the wall at the level of the arch . The pulmonary vasculature is not congested . Presence of surgical fiducial marks are again recognized and located to the left hemithorax in suprahilar as well as peripheral left lower lobe position . Their positions are unchanged . Pulmonary vasculature shows irregular peripheral distribution , which in conjunction with the relatively low positioned and flattened diaphragms , is indicative of COPD . There exists a left - sided infrahilar density , which apparently represents patient 's known pulmonary malignancy . It s size has not undergone any significant alteration since ___ . Careful comparison of the chest findings does not demonstrate evidence of increased pulmonary vascular congestion or manifestations of pleural effusions . No pneumothorax exists in the apical area .
    OUTPUT:
    
Stable chest findings . No interval change since next preceding study .