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SEER Inquiry System - Report
Produced: 02/06/2026 8:44 AM
Question 20091055
Inquiry Details
References:
2007 SEER Manual, 177, 201
Question:
Date therapy initiated/Systemic/Surgery Sequence--Breast: How are these fields coded when a patient has chemotherapy after a sentinel lymph node biopsy and has a lumpectomy after completing chemotherapy? See Discussion.
Discussion:
On 4-10-08 a patient underwent sentinel lymph node biopsies. This was followed by chemotherapy which started on 4-15-08. The patient subsequently underwent a lumpectomy on 11-10-2008.
Answer:
For this case, code Date Therapy Initiated to the date of the sentinel lymph node biopsy [04102008]. Assign code 3 [Systemic therapy after surgery] in Systemic/Surgery Sequence.
Cancer Site Category:
Breast
Data Item Category:
Date therapy initiated, Systemic / Surgery Sequen
Other Category:
N/A
Year:
2009
