Fig. 3From: RETRACTED ARTICLE: Ultrasound Elastography supplement assessing nodal status of magnetic resonance imaging staged cervical N0 patients with nasopharyngeal carcinomaFlow chart of this pilot study. CHFU denoted conventional high-frequency ultrasound; SWE denoted shear wave elastography; sLN denoted small lymph nodes; US-CNB denoted ultrasound guided core needle biopsy; MRI denoted magnetic resonance imaging; n denoted number of lymph nodes; N denoted number of patientsBack to article page