SEER Inquiry System - Report
Produced: 10/09/2025 2:46 AM
Question 20051052
Inquiry Details
References:
2004 SEER Manual, C-663
Question:
Discussion:
Answer:
This answer was provided in the context of CSv1 coding guidelines. The response may not be used after your registry database has been converted to CSv2.
CS Extension code is 10 [confined to cerebral hemisphere]. Record the size of the largest lesion in CS Tumor Size. Both the occipital and parietal lobes are supratentorial and confined to the cerebral hemisphere with no mention of crossing midline or involvement of ventricles.