SEER Inquiry System - Report
Produced: 03/25/2023 3:38 PM
2007 MP/H Rules. Melanoma
MP/H Rules/Multiple primaries--Melanoma: Is a melanoma with an unknown laterality a different laterality for the purposes of applying Multiple Primaries/Histology Rule M4? See Discussion.
8/1/2016 Left Abdomen biopsy: Early melanoma in situ (C445-2, 8720/2).
9/2/2016 Upper back: Superficially invasive malignant melanoma (C445-9, 8720/3).
Does rule M4 apply and multiple primaries should be reported or does rule M8 apply and a single primary should be reported?
Abstract multiple primaries following Multiple Primary Rule M4. Unknown laterality is a different laterality for the purposes of applying the MP/H rules for melanoma.
NOTE: This answer applies to cases diagnosed prior to 2018. As of 1/1/2018, early melanoma is not reportable.