Fig. 1From: Safe diagnostic management of malignant mediastinal tumors in the presence of respiratory distress: a 10-year experienceDiagnostic procedure for anterior mediastinal tumors with respiratory distress. NHL; non-Hodgkin lymphoma. ALL; acute lymphoblastic leukemia. LCH; Langerhans histiocytosis. *; biopsy was performed after chemotherapy in one caseBack to article page