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Study workflow.
NPC = nasopharyngeal carcinoma; SYSUCC = Sun Yat-sen University Cancer Center; MRI = magnetic resonance imaging; T1-w = T1-weighted; CET1-w = contrast-enhanced T1-weighted; T2-w = T2-weighted; WZRCH = Wuzhou Red Cross Hospital. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)
