Collaborative Stage

Note 1: For this site, code ALL lymph node (regional and distant) involvement in the CS Lymph Nodes field. Only Visceral involvement is coded here. Bone marrow and ?? is coded in SSF 1.
Note 2: Visceral involvement is considered metastatic and should be questioned in the absence of node or blood involvement.
Note 3: To be considered as having visceral disease (stage IVb), documentation of involvement by only one organ outside the skin, nodes, or blood is needed.
Note 4: Visceral involvement must be pathologically confirmed, except for the Liver and Spleen, which may be documented with imaging (code 60).
Note 5: For pathological confirmation of bone, brain, liver and lungs mets (or combination), use the new data items (insert name of new field) field to specify organ and then code 50.
Note 6: If Liver or Spleen is involved clinically without imaging, use code 05.

Code	Description	TNM 7 Map	TNM 6 Map	SS77 Map	SS2000 Map
00	No; none No visceral organ involvement	M0	M0	NONE	NONE
05	Clinical confirmation only of Visceral (non-cutaneous, extra nodal) involvement, (except for Liver and Spleen imaging, see code 10)	M0	M1	NONE	NONE
10	Imaging confirmation of Spleen or Liver metastases	M1	M1	D	D
40	OBSOLETE DATA RETAINED V0200 Visceral (non-cutaneous, extra nodal) involvement Carcinomatosis Distant metastasis, NOS MFCG Stage IV	ERROR	M1	D	D
45	Visceral (non-cutaneous, extra nodal) involvement, pathologically confirmed, involvement by at least one organ outside the skin nodes or blood or bone marrow,	M1	M1	D	D
60	Carcinomatosis MFCG Stage IV Unknown if clinical or pathological confirmation	M0	M1	D	D
70	Stated as M1 Distant metastasis, NOS	M1	M1	D	D
99	Unknown if distant metastasis Distant metastasis cannot be assessed Not documented in patient record	M0	MX	U	U

CS Mets at DX