Extranodal extension (ENE- the extension of metastatic cells through the capsule surrounding the node) is a prognostic indicator of the aggressiveness of papillary thyroid cancer. This study found a statistically significant association between the size of metastatic nodes and the prevalence of extranodal extension.
Rowe M, Ozbek U, Machado, R, Yue L, Hernandez-Prera J, Valentino A, Qazi M, Brandwein-Weber M, Liu X, Wenig B, Urken M
Endocrine Pathology 2018