Site-Specific Factor 2

Histologic Subtype

Notes

**Note:** Histologic subtype has prognostic significance in pleural mesothelioma. The pure epithelioid tumors are associated with a better prognosis then the biphasic or sarcomatoid tumors. Desmoplastic tumors appear to have the worst prognosis.

Default

999

NAACCR Item

NAACCR #2890

Metadata

None
Code Description
000 No histologic subtype stated
010 Epithelioid (9052)
020 Biphasic (9053)
(At least 10% of both epithelioid and sarcomatoid components)
030 Sarcomatoid (9051)
040 Desmoplastic (9051)
050 Other histologic subtype
988 Not applicable: Information not collected for this case
998 No pathologic examination of primary site
999 Unknown or no information
Not documented in patient record