SEER Inquiry System - Report
Produced: 10/13/2025 4:42 PM
Question 20250003
Inquiry Details
References:
2021 ICD-O-3.2 Update
Question:
Solid Tumor Rules/Histology--Fallopian Tube: How is histology coded for a high-grade serous carcinoma with admixed yolk sac tumor of the right fallopian tube? See Discussion.
Discussion:
There was a single right fallopian tube tumor with two distinct morphologies. The diagnosis comment states, “The combined morphologic and immunohistochemical features are best classified as primary fallopian tube high grade serous carcinoma with a somatically derived yolk sac tumor.”