SEER Inquiry System - Search

Solid Tumor Rules/Histology/Behavior--Brain and CNS: How are histology and behavior coded when the Integrated Diagnosis is "Meningioma, WHO Grade 2," and the Histological Classification is "Meningioma with elevated mitotic activity, hypercellularity, necrosis, and sheeting architecture?" See Discussion.

First course treatment/Chemotherapy: Is metronomic chemotherapy coded as chemotherapy?

Surgery of primary site--Lung: Should microwave ablation be coded as treatment for lung cancer, and if so, how should it be coded?

Multiplicity Counter--Ovary: Given the diffuse nature of ovarian cancer, should we count bilateral parenchymal involvment of ovaries as two tumors? See Discussion.

Solid Tumor Rules/Histology--Parotid: How is histology coded for a myoepithelial carcinoma ex-pleomorphic adenoma of the parotid?

Solid Tumor Rules (2018)/Histology--Lung: What is the histology code of a non-small cell lung cancer (NSCLC), NOS as this is not on the AJCC list of histologies? See Discussion.

First Course of Treatment/Other Therapy: Where do you code Optune TTF therapy? What needs to be included in the text portion to document this treatment?

Histology--Thyroid: What is the correct histology code for a thyroid resection showing papillary carcinoma, tall cell variant with oncocytic features with 30% of largest tumor (right) is tall cell variant and both foci contain benign multinucleated giant cells?  See Discussion.

Solid Tumor Rules (2018)/Histology--Cervix Uteri: What is the histology code and what H Rule applies for a diagnosis of papillary squamotransitional cell carcinoma of the cervix? See Discussion.