Collaborative Stage for TNM 7 - Revised 11/20/2010  [ Schema ]

Brain

CS Extension

CodeDescriptionTNM 7 MapTNM 6 MapSS77 MapSS2000 Map
050Benign or borderline brain tumorNANANANA
100Supratentorial tumor confined to:
    Cerebral hemisphere (cerebrum) or Meninges of cerebral hemisphere (one side):
        Frontal lobe
        Occipital lobe
        Parietal lobe
        Temporal lobe
NANALL
110Infratentorial tumor confined to cerebellum or meninges of cerebellum (one side or midline):
        Vermis
        Lateral lobes
        Median lobe of cerebellum
NANALL
120Infratentorial tumor confined to:
    Brain stem or meninges of brain stem (one side):
        Medulla oblongata
        Midbrain (mesencephalon)
        Pons
    Hypothalamus
    Thalamus
NANALL
150Confined to brain, NOS
Confined to meninges, NOS
NANALL
200Infratentorial tumor:
    Both cerebellum and brain stem involved with tumor on one side
NANALL
300Confined to ventricles
Tumor invades or encroaches upon ventricular system
NANALL
400Tumor crosses the midline
Tumor involves contralateral hemisphere
Tumor involves corpus callosum (including splenium)
NANARNOSRNOS
500Supratentorial tumor extends infratentorially to involve
cerebellum or brain stem
NANARNOSRNOS
510Infratentorial tumor extends supratentorially to involve
cerebrum (cerebral hemisphere)
NANARNOSRNOS
600Tumor invades:
    Bone (skull)
    Major blood vessel(s)
    Meninges (e.g., dura)
    Nerves, NOS
        Cranial nerves
    Spinal cord/canal
NANARNOSRNOS
700OBSOLETE DATA RETAINED AND REVIEWED V0203
See codes 100-600 and 710, CS Mets at DX code 750

Circulating cells in cerebral spinal fluid (CSF)
Nasal cavity
Nasopharynx
Posterior pharynx
Direct extension outside central nervous system (CNS)
NANADD
750Extension to:
    Nasal cavity
    Nasopharynx
    Posterior pharynx
Other direct extension outside central nervous system (CNS)
NANADD
800Further contiguous extensionNANADD
950No evidence of primary tumorNANAUU
999Unknown; extension not stated
Primary tumor cannot be assessed
Not documented in patient record
NANAUU