SEER Inquiry System - Report
Produced: 10/08/2025 9:04 PM
Question 20051061
Inquiry Details
References:
2004 SEER Manual, C385-389
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.If this case is determined to be a lung primary, code the CS fields:
CS Tumor Size: 999 [Unknown]
CS Extension: 99 [Primary tumor cannot be assessed]
CS Lymph Nodes: 20 [Subcarinal lymph node involvement] based on positive level 7 biopsy, history of mediastinal lymphadenopathy and subcarinal "adenopathy" per CT.