The 2021 Cutaneous Melanoma Solid Tumor rules have been posted. These rules become effective with cases diagnosed 1/1/2021 forward. Continue using the 2007 MP/H Cutaneous Melanoma rules for cases diagnosed through December 31, 2020.
Minor updates have been made to the 2018 General Instructions and are noted in the change log. These changes do not affect the 2018 Solid Tumor and may be used now.
The 2021 Cutaneous Melanoma Rules and General Instructions can be accessed at: https://seer.cancer.gov/tools/solidtumor/
The 2007 Cutaneous Melanoma MP/H rules can be accessed at: https://seer.cancer.gov/tools/mphrules/
Senior Editor, Solid Tumor Rules
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