Prediction of distant metastases from nasopharyngeal carcinoma: Improved diagnostic performance of MRI using nodal volume in N1 and N2 stage disease: Methodological issues

We read the study conducted by Ai and colleagues that was published in Oral Oncology, enthusiastically and meticulously [1]. The authors tried to examine the predictive performance of the magnetic resonance imaging (MRI) of the head and neck for distant metastases (DM) from nasopharyngeal carcinoma (NPC). The results have suggested MRI nodal stage (N) stage and total nodal volume (NV) have an important predictive effects for DM and distant metastases free survival (DMFS) [1].

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