CS Mets at DX

This input is used for staging

Notes

**Note**: Involvement of peripheral and central lymph nodes, distant nodes for ocular adnexal lymphomas, is coded in CS Lymph Nodes and not in CS Mets at DX.

Default

NAACCR Item

NAACCR #2850

Code	Description	AJCC 7 M	AJCC 6 M	Summary Stage 1977 M	Summary Stage 2000 M
00	No involvement of other extranodal sites	M0	NA	NONE	NONE
20	Spleen	M1a	NA	D	D
30	Non-contiguous involvement of other extranodal sites excluding bone marrow, including but not limited to: Parotid gland Submandibular gland Lung Liver Kidney Breast	M1a	NA	D	D
35	Stated as M1a with no other information on metastasis	M1a	NA	D	D
40	Bone marrow Stated as M1b with no other information on metastasis	M1b	NA	D	D
50	40 + (20, 30, or 35) Bone marrow plus other extranodal site Stated as M1c with no other information on metastasis	M1c	NA	D	D
60	Distant metastasis NOS Stated as M1 [NOS] with no other information on metastasis	M1NOS	NA	D	D
88	OBSOLETE DATA CONVERTED V0200 See code 98 Not applicable for this site	ERROR:	ERROR:	ERROR:	ERROR:
98	OBSOLETE DATA RETAINED V0200 New schema for site/histology V0200 Not applicable for this schema	ERROR:	NA	U	U
99	Unknown; distant metastasis not stated Distant metastasis cannot be assessed Not documented in patient record	M0	NA	U	U

- Stage grouping for AJCC 6 staging of ocular adnexal lymphoma for cases collected in CSv2 is derived from a combination of CS Extension, CS Lymph Nodes, and CS Mets at DX codes as shown in the AJCC TNM 6 Stage table . A or B categories is appended to Stage I-IV based on coding of CS Site-Specific Factor 2, Systemic Symptoms at Diagnosis.