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Comparison of shape in benign and metastatic lymph node (A), comparison of margin in benign and metastatic lymph node (B), and comparison of internal echo structure in benign and metastatic lymph node (C). A = homogenous hyperechoic, B = homogenous hypoechoic, C = eccentric hyperechoic, D = centric hyper echoic E = heterogeneous pattern
