Collaborative Stage

Collaborative Stage for TNM 7 - Revised 05/13/2011 [ Schema ]

CS Mets at DX

Code	Description	TNM 7 Map	TNM 6 Map	SS77 Map	SS2000 Map
00	No distant metastasis	M0	M0	NONE	NONE
10	Distant lymph node(s)	^	M1	D	D
40	Distant metastasis except distant lymph node(s) Carcinomatosis	^	M1	D	D
50	40 + 10 Distant metastasis plus distant lymph node(s)	^	M1	D	D
52	Stated as M1a with no other information on distant metastasis	^	M1	D	D
54	Stated as M1b with no other information on distant metastasis	^	M1	D	D
56	Stated as M1c with no other information on distant metastasis	^	M1	D	D
60	Distant metastasis, NOS Stated as M1 [NOS] with no other information on distant metastasis	^	M1	D	D
99	Unknown; distant metastasis not stated Distant metastasis cannot be assessed Not documented in patient record	M0	MX	U	U

^ For CS Mets at DX codes 10-60, the M category for AJCC 7 staging is assigned based on the size of largest metastasis, recorded in CS Site-Specific Factor 4, as shown in the Size Metastasis AJCC 7 Table.