EOD Primary Tumor
This input is used for staging
Notes
**Note 1:** For skin, patch indicates any size skin lesion without significant elevation or induration. **Note 2:** For skin, plaque indicates any size skin lesion that is elevated or indurated. **Note 3:** For skin, tumor indicates at least one 1 cm diameter solid or nodular lesion with evidence of depth and/or vertical growth. **Note 4:** Sezary syndrome is the leukemic form of Mycosis Fungoides. EOD Primary Tumor for Sezary syndrome is still coded based on the amount/type of skin involvement. Peripheral blood involvement, which is indicative of the leukemic variant, is coded in Peripheral Blood Involvement [NAACCR Data Item #3910]Default
999NAACCR Item
NAACCR #772| Code | Description | SS2018 T |
|---|---|---|
| 100 | Less than 10% of skin surface, no tumors - Patches only | L |
| 150 | Less than 10% of skin surface, no tumors - Papules or plaques WITH or WITHOUT patches | L |
| 200 | Skin involvement less than 10% OR unknown % of skin involvement - AND not stated whether patches, papules or plaques - AND no tumors Limited skin involvement Localized, NOS MFCG Stage I | L |
| 250 | Greater than or equal to 10% of skin surface, no tumors - Patches only | L |
| 300 | Greater than or equal to 10% of skin surface, no tumors - Plaques or papules WITH or WITHOUT patches | L |
| 400 | Skin involvement greater than or equal to 10% Generalized plaques/patches OR Not stated whether patches, papules or plaques No tumors MFCG Stage II | L |
| 450 | Generalized erythroderma (confluence of erythemia) (Greater than 50% and less than 80% body surface involved with diffuse redness) | RE |
| 500 | Skin lesion described as tumor less than 1 cm | RE |
| 600 | One or more tumors equal to 1 cm or greater Cutaneous tumor, size not stated MFCG Stage III | RE |
| 700 | Generalized erythroderma (confluence of erythemia) (Greater than or equal to 80% body surface involved with diffuse redness) | RE |
| 800 | No evidence of primary tumor | U |
| 999 | Unknown; extension not stated Primary tumor cannot be assessed Not documented in patient record Death Certificate Only | U |