The differentiation of aneurysm and mediastinal tumor.
D000783:Aneurysm; D001014:Aortic Aneurysm / Q000175:diagnosis*; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis*; D008479:Mediastinal Neoplasms; D008480:Mediastinitis; D009369:Neoplasms
AORTIC ANEURYSM/diagnosis; LUNG NEOPLASMS/diagnosis; MEDIASTINITIS/neoplasms