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Fig. 3 | BMC Cancer

Fig. 3

From: Diagnostic value of intraoperative ultrasonography in assessing thoracic recurrent laryngeal nerve lymph nodes in patients with esophageal cancer

Fig. 3

a Completed left thoracic recurrent laryngeal nerve (RLN) node dissection. b Intraoperative ultrasound image showed one non-metastatic lymph node 0.50 cm in diameter located in the left RLN region. c Intraoperative ultrasound image showed the non-metastatic lymph node located in the left RLN region. d Intraoperative ultrasound image showed the metastatic lymph node located in the left RLN region. LN, lymph node; AO, aorta; PA, pulmonary artery; SCA, subclavicular artery

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