To study mediastinal masses completely (Cases 4 ... surgical procedure for the patient upon whom a scalene-lymph-node biopsy is performed; the placement of the catheter is an extension of the ...

Some centers will biopsy these lesions only if they are ... In patients without distant metastasis, the presence of mediastinal lymph nodes involvement generally precludes curative resection ...

Stage I: Hilar/mediastinal lymphadenopathy not associated ... guide for selecting the most appropriate site for lung or lymph node biopsy, and CT may be used to evaluate response to therapy.

Mediastinal lymph nodes reside in the center ... If cancer is suspected, the healthcare provider can order a lymph node biopsy to obtain a small sample of fluid and tissues using a needle and ...