Collaborative Stage for TNM 7 - Revised 01/19/2010  [ Schema ]


CS Extension

CodeDescriptionTNM 7 MapTNM 6 MapSS77 MapSS2000 Map
000In situ: noninvasive; intraepidermal
Clark's level I
Basement membrane of the epidermis is intact
100Papillary dermis invaded
Clark's level II
200Papillary-reticular dermal interface invaded
Clark's level III
300Reticular dermis invaded
Clark's level IV
400Skin/dermis, NOS
Localized, NOS
500Subcutaneous tissue invaded (through entire dermis)
Clark's level V
800Further contiguous extension:
Underlying cartilage, bone, skeletal muscle
950No evidence of primary tumorT0T0UU
999Unknown extension
Primary tumor cannot be assessed (e.g., shave biopsy or regressed melanoma)
Not documented in patient record