Breast and Soft Tissue Tumor Services;
National Institute of Cancerology;
Bogotá;
Colombia;
National Institute of Cancerology-University Foundation of Health Sciences;
Bogotá;
Colombia;
Hospital Pablo Tobón Uribe;
Medellín;
Colombia;
Clinical Research Group;
National Institute of Cancerology;
Bogotá;
Colombia;
Skin; Neoplasms; Squamous; Cell; Carcinoma; Sentinel; Lymph; Node; Biopsy;