Vega-Castillo, J JSáenz-Guirado, SRuiz-Villaverde, R2023-02-092023-02-092020-10-10http://hdl.handle.net/10668/16409enAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/AdenocarcinomaHumansPrognosisUmbilicusVillar Nodule: An Umbilical Nodule Associated With a Good Prognosis.Nódulo de Villar: un nódulo umbilical de buen pronóstico.research article33049276open access10.1016/j.ad.2019.01.0342173-5778https://doi.org/10.1016/j.ad.2019.01.034