title: Do cut-off values of lymph node ratio and presence of perineural invasion affect survival in breast cancer patients with pathologic N3a lymph node stage?
authors.affiliation: MKA Breast Cancer Clinic, Tepe Prime, Cankaya, 06800 Ankara, Turkey. Electronic address: altundag66@yahoo.com.
authors.forename: Kadri
authors.initials: K
authors.lastname: Altundag
mesh_terms: D001943:Breast Neoplasms; D006801:Humans; D008198:Lymph Nodes; D008207:Lymphatic Metastasis