Axillary Lymph Node Involvement, a Unique Pattern of Metastasis inBRAF-Mutant Colorectal Cancer

Abstract
Axillary lymph nodes (axLNs) are a virtually unheard of site of metastasis in patients with metastatic colorectal cancer (mCRC). Our search of the National Library of Medicine’s PubMed database identified only 6 case reports,1-6 each describing 1 patient with axLN metastasis of primary colorectal cancer (Table 1).