title: Patterns of internal echoes in lymph nodes in the diagnosis of lung cancer metastasis.
authors.forename: J
authors.initials: J
authors.lastname: Machi
mesh_terms: D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D008198:Lymph Nodes / Q000000981:diagnostic imaging*; D008207:Lymphatic Metastasis; D012680:Sensitivity and Specificity; D014463:Ultrasonography