Central Nervous System Cancer pM1a TNM Finding v9

**Semantic type:** Finding

**Definition:** Central nervous system cancer with microscopic confirmation of tumor cells present in CSF by cytology. (from AJCC 9th Ed.)

**Synonyms:** - Brain and Spinal Cord Cancer Modified Chang M1 - Brain and Spinal Cord Cancer pM1a TNM Finding v9 - Central Nervous System Cancer Modified Chang M1