SEER Inquiry System - Search

Solid Tumor Rules/Histology--Lung:  What is the histology code for a lung tumor diagnosed as “Minimally invasive adenocarcinoma, mixed mucinous and non-mucinous, grade 1, lepidic-predominant”?  See Discussion.

First Course Treatment/Surgery of Primary Site--Rectum:  What surgery code should be used for laparoscopic C/T open low anterior resection with colorectal anastomosis, loop ileostomy in diagnosis year 2020, code 30 or 40?  See Discussion.

Solid Tumor Rules/Multiple Primaries--Breast:  Is an in situ tumor followed by an invasive tumor a single or multiple primaries?  See Discussion.

First Course Treatment/Hormone Therapy--Prostate: Is Lupron first course therapy in a patient who initially elected active surveillance for prostate cancer and then consented to treatment with Lupron?  See Discussion.

Histology/Hematopoietic and Lymphoid Neoplasms--AML:  What is the histology code for Acute Myelogenous Leukemia (AML) with monocytic differentiation, 9891/3: acute monoblastic and monocytic leukemia or 9867/3: Acute myelomonocytic leukemia?

Histology/Heme & Lymphoid Neoplasms--Mycosis Fungoides:  What is the histology code for lymphomatoid papulosis that transforms initially to mycosis fungoides (MF)/cutaneous T-cell lymphoma (CTCL) and subsequently to CTCL with large cell transformation, and is it a new primary?  See Discussion.

Reportability/Histology--Gallbladder: Is intracholecystic papillary-tubular neoplasm (ICPN) with extensive high grade dysplasia of the gallbladder reportable?

Reportability/Histology--Vulva:  Is angiomyxoma (8841/1), such as aggressive angiomyxoma of vulva diagnosed in 2022, reportable?

Update to Current Manual/2018 EOD Manual/EOD Primary Tumor--Bladder: According to the American Joint Commission on Cancer (AJCC), a transurethral resection of the bladder (TURB) cannot make a distinction between involvement of the superficial muscle-inner half (Stage T2a) and the deep muscle-outer half (Stage T2b). Is this same criteria applied to Extent of Disease (EOD)?

Update to Current Manual/Surgery of Primary Site 2023--Melanoma:  Considering the 2023 melanoma surgery codes for punch biopsy NOS (B220) and shave biopsy NOS (B230), how is Date of First Surgical Procedure coded when the punch or shave biopsy is not excisional? See Discussion.