SEER Inquiry System - Report
Produced: 10/08/2025 10:52 AM
Question 20051102
Inquiry Details
References:
2004 SEER Manual, C-476. July 2005
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.Residual breast tissue is present following a mastectomy. If the nodule is in the breast tissue (tissue above the ribs), assign CS extension code 10 [Confined to breast tissue...Localized, NOS]. If the nodule is in the chest wall (tissue below the ribs), assign code 40 [Invasion of chest wall].