Skyscape Web Viewer : TNM Cancer Staging System : Main Index

View All
N1a is defined as metastasis in one regional lymph node
N1a is described as one or two lymph nodes metastasis each less than 5 mm
N1b is described as one lymph node metastasis 5 mm or greater
N1 disease is defined as a single or multiple regional lymph node involvement
N1 is defined as involvement of regional lymph nodes
N1 is pelvic or inguinal lymph node metastasis
N2a is defined as metastasis in 4 to 6 regional lymph nodes
N2a is described as three or more lymph node metastases each less than 5 mm
N2b is described as two or more lymph node metastases 5 mm or greater
N2b showing nodal masses in more than 7 regional lymph nodes
N2c is described as lymph node(s) with extranodal extension
N2 is defined as in-transit metastasis (discontinuous from primary tumor; located between primary tumor and draining regional nodal basin, or distal to the primary tumor) without lymph node metastasis
N3 is described as fixed or ulcerated regional lymph node metastasis
Nasal cavity and paranasal sinuses primary tumor prognostic factor regional lymph nodes risk assessment models
Nasopharyngeal carcinoma (NPC)
National Cancer Database (NCDB),, 880, 903, 912 Anus Appendix: Carcinoma Breast Cervical Lymph Nodes and Unknown Primary Tumors of the Head and Neck Intrahepatic Bile Ducts Malignant Pleural Mesothelioma Merkel Cell Carcinoma Stomach Survival Data
National Comprehensive Cancer Network (NCCN) Breast Colon and Rectum Exocrine Pancreas Introduction and Overview Mucosal Melanoma of the Head and Neck Neuroendocrine Tumors of the Appendix Neuroendocrine Tumors of the Colon and Rectum Neuroendocrine Tumors of the Duodenum and Ampulla of Vater Neuroendocrine Tumors of the Jejunum and Ileum Neuroendocrine Tumors of the Pancreas Penis Prostate Thyroid: Medullary
National diabetes data group criteria
National lipid association guidelines
National lung screening trial (NLST)
Natural history of GIST
Neuroendocrine tumors (NETs)
Neuro-oncology chemotherapy chemotherapy radiation therapy radiation therapy
New oral anticoagulation agents (NOAC)
New York Heart Association (NYHA)
Nilotinib
NOAC
Non Hodgkin lymphoma (NHL) Lugano classification pediatric\|AJCC prognostic stage groups pediatric\|prognostic factors
Norepinephrine
North American Neuroendocrine Tumor Society (NANETS) Neuroendocrine Tumors of the Colon and Rectum Neuroendocrine Tumors of the Jejunum and Ileum