Oligo-Metastatic Ductal Breast Carcinoma Presenting as a Subcutaneous Nape Nodule: A Case Report.

Breast cancer (BC) in females is the most diagnosed cancer and the leading cause of cancer death in women worldwide, followed by lung, colorectal, and cervical cancers. For oligo-metastatic (OM) cancers, the best definition is a maximum of five metastatic foci, not necessarily located in the same organ or anatomic region, all potentially treatable by ablative local treatment: either surgical resection or radiation when accessible. Oligo-metastatic breast cancer (OM-BC) is currently arising as an emerging entity with more focused research needed to upgrade the guidelines for best management.