malignant neoplasm of nasal cavity TNM staging regional lymph nodes (N) N2b
malignant neoplasm of nasal cavity tnm staging regional lymph nodes (n) n2b
malignant neoplasm of nasal cavity TNM staging regional lymph nodes (N) N2b (diagnosis)
malignant neoplasm of nasal cavity tnm staging regional lymph nodes (n) n2b (diagnosis)