Biopsy of scalene lymph nodes.
D001706:Biopsy; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis; D008175:Lung Neoplasms / Q000175:diagnosis; D008198:Lymph Nodes / Q000473:pathology*; D009362:Neoplasm Metastasis; D009369:Neoplasms / Q000175:diagnosis