CHANG STAGING SYSTEM STAGE

The Chang Staging System  stage for Medulloblastoma, Central Nervous System ) Primitive Neuroectodermal Tumours (CNS PNET), Atypical Teratoid Rhabdoid Tumours (ATRT), ependymoma and Central Nervous System (CNS) germ cell Tumours  during a Central Nervous System Cancer Care Spell .

Format / Length

an2

National Codes

Code Description

M0

No evidence of metastatic disease

M1

Microscopic Tumour CELLS found in Cerebrospinal Fluid (CSF)

M2

Gross nodular seeding in cerebellum, cerebral subarachnoid space, or in the third or fourth ventricles

M3

Gross nodular seeding in spinal subarachnoid space

M4

Metastasis outside cerebrospinal axis

Also Known As

This data element is also known by these names:

Context Alias
Plural CHANG STAGING SYSTEM STAGES