SEER Inquiry System - Search

CS Site Specific Factor--Breast: What estrogen receptor/progesterone receptor (ER/PR) values should be coded in a case with two separate tumors (1 ductal, 1 lobular) diagnosed simultaneously in the same breast (single primary) with differing ER/PR values for each tumor? One is ER/PR positive; the other is ER/PR negative.

CS Site Specific Factor--Breast: If the tumor is described as being a 1 cm poorly differentiated pleomorphic lobular carcinoma with scattered LCIS in breast tissue, for SSF6, do we use the breast tumor or all of the breast tissue removed when coding SSF6?

CS Site Specific Factor 6--Breast: If the tumor size for the breast is unknown, and it is unknown whether the tumor is mixed in situ and invasive or "pure", how is SSF6 to be coded? See Discussion.

CS Lymph Nodes/Reg LN Pos/Exam: Is a final pathologic diagnosis of "Level 8 lymph node: Fibroadipose tissue containing a minute lymphoid aggregate, negative for malignancy" a lymph node for the purpose of coding these fields?

CS Lymph Nodes/CS Mets at DX--Ovary: How are the following lymph node regions/chains coded in the Collaborative Stage schema for ovary?

1. pericolonic

2. pelvic, NOS

3. mesenteric, NOS

CS Lymph Nodes--Ovary: Are positive lymph nodes removed from "colon tissue" during a modified posterior pelvic debulking regional or distant? If regional, what is the appropriate CS LN code?

CS Extension: How is CS Ext coded for the following?

Rretroperitoneal primary

Cystic mucinous tumor with intraepithelial carcinoma

There is no CS Extension code for intraepithelial ca in the retroperitoneal scheme.

CS Extension/CS Mets at Dx--Colon: How is a small focus of metastatic disease in the submucosa coded for a sigmoid primary? See Discussion.

CS Extension/Ambiguous terminology--Pancreas: Should an exception be made for "abuts" or "encased/encasing" regarding CS pancreas extension? See Discussion.

CS Extension--Lymphoma: If bilateral tonsils are involved with lymphoma, is it one or two regions of involvement and how is extension coded?