CS Extension

This input is used in derivation

Notes

**Note 1**: When both FIGO stage and extension detail are available, record the code with extension detail in preference to a statement of FIGO stage. **Note 2**: FIGO and AJCC 7 stage do not include Tis for this site and histology. Any cases with a CS Extension code of 000 will derive TX for AJCC 7 staging, though Tis and In Situ will be derived for AJCC 6 staging and Summary Stage. **Note 3**: The assignment of T1a and T1b categories for sarcomas of corpus uteri is based on tumor size. **Note 4**: FIGO Stage IV, NOS is assigned based on tumor extension and/or metastasis. Code CS Extension based on a physician's statement of FIGO Stage IV, NOS only if it is known that the stage value is assigned because of tumor extension. **Note 5**: Positive cytology is reported separately (CS Site Specific Factor 2), and is not included as a staging element for AJCC 7 staging. It is included as a staging element for AJCC 6 and Summary Stage. Since "cancer cells in ascites or in peritoneal washings" was not specifically categorized in the 1977 Summary Staging Guide, it is unclear to which stage pre-2001 cases may have been coded in that staging system.

Default

999

NAACCR Item

NAACCR #2810

Code	Description	AJCC 7 T	AJCC 6 T	Summary Stage 1977 T	Summary Stage 2000 T
000	In situ, intraepithelial, noninvasive, preinvasive	TX	Tis	IS	IS
100	Invasive cancer tumor confined to corpus uteri	Extension Size AJCC7	Determine Correct Table for AJCC 6 T	Extension Cytology Summary Stage	Extension Cytology Summary Stage
110	Confined to endometrium (stroma)	Extension Size AJCC7	Determine Correct Table for AJCC 6 T	Extension Cytology Summary Stage	Extension Cytology Summary Stage
114	OBSOLETE DATA REVIEWED V0203 See codes 100, 110, 116, 120, 130-400, 510-530 Tumor 5 cm or less in greatest dimension	T1a	T2NOS	Extension Cytology Summary Stage	Extension Cytology Summary Stage
116	FIGO Stage IA	Extension Size AJCC7	Determine Correct Table for AJCC 6 T	Extension Cytology Summary Stage	Extension Cytology Summary Stage
120	Tumor invades less than one-half of myometrium Invasion of inner half of myometrium	Extension Size AJCC7	Determine Correct Table for AJCC 6 T	Extension Cytology Summary Stage	Extension Cytology Summary Stage
124	OBSOLETE DATA REVIEWED V0203 See code 100, 110, 120, 126-400, 510-530 Tumor greater than 5 cm	T1b	T2NOS	Extension Cytology Summary Stage	Extension Cytology Summary Stage
126	FIGO Stage IB	Extension Size AJCC7	Determine Correct Table for AJCC 6 T	Extension Cytology Summary Stage	Extension Cytology Summary Stage
130	Tumor invades one-half or more of myometrium Invasion of outer half of myometrium (See Note 3)	Extension Size AJCC7	Determine Correct Table for AJCC 6 T	Extension Cytology Summary Stage	Extension Cytology Summary Stage
140	Invasion of myometrium, NOS	Extension Size AJCC7	Determine Correct Table for AJCC 6 T	Extension Cytology Summary Stage	Extension Cytology Summary Stage
160	Tunica serosa of the visceral peritoneum (serosa covering the corpus)	Extension Size AJCC7	Determine Correct Table for AJCC 6 T	Extension Cytology Summary Stage	Extension Cytology Summary Stage
400	Localized, NOS	Extension Size AJCC7	Determine Correct Table for AJCC 6 T	Extension Cytology Summary Stage	Extension Cytology Summary Stage
500	OBSOLETE DATA CONVERTED V0203 See code 523 Cervix uteri, NOS, but not beyond uterus	ERROR:	ERROR:	ERROR:	ERROR:
510	Endocervical glandular involvement only	Extension Size AJCC7	Determine Correct Table for AJCC 6 T	RE	RE
520	Cervical stromal invasion	Extension Size AJCC7	Determine Correct Table for AJCC 6 T	RE	RE
523	Cervix uteri, NOS, but not beyond uterus	Extension Size AJCC7	Determine Correct Table for AJCC 6 T	RE	RE
530	FIGO Stage I [NOS]	Extension Size AJCC7	Determine Correct Table for AJCC 6 T	Extension Cytology Summary Stage	Extension Cytology Summary Stage
540	Tumor limited to uterus, NOS	T1NOS	Determine Correct Table for AJCC 6 T	Extension Cytology Summary Stage	Extension Cytology Summary Stage
550	Adnexal involvement, NOS Extension or metastasis beyond uterus within pelvis: Adnexa Fallopian tube(s) Ligaments: Broad Round Uterosacral Ovary(ies) Parametrium Visceral peritoneum of pelvic organs excluding serosa of corpus uteri	T2a	T3a	RE	RE
600	OBSOLETE DATA RETAINED AND REVIEWED V0203 See codes 160, 550, 655, 665, and 688 Adnexal involvement, NOS Extension or metastasis within true pelvis: Adnexa Fallopian tube(s) Ligaments: Broad, round, uterosacral Ovary(ies) Parametrium Pelvic serosa Tunica serosa (parietal lining of the pelvic or abdominal cavity)	T2a	T3a	RE	RE
605	FIGO Stage IIA	T2a	T3a	RE	RE
610	OBSOLETE DATA RETAINED V0200 See Note 4 and CS Site Specific Factor 2 Cancer cells in ascites Cancer cells in peritoneal washings FIGO Stage IIIA	ERROR:	T3a	RE	RE
620	OBSOLETE DATA CONVERTED V0203 See code 645 Ureter Vulva	ERROR:	ERROR:	ERROR:	ERROR:
640	Extension or metastasis to vagina	T2b	T3b	D	RE
645	Extension to : Ureter Vulva	T2b	T3b	D	RE
650	OBSOLETE DATA RETAINED AND REVIEWED V0203 See code 655 and 662 Extension or metastasis to pelvic wall(s) Described clinically as "frozen pelvis", NOS	T2b	T3b	RE	RE
655	Extension or metastasis to: Pelvic wall(s) Parietal serosa of pelvic cavity	T2b	T3b	RE	RE
660	OBSOLETE DATA CONVERTED V0203 See code 705 Extension or metastasis to: Bladder wall Bladder, NOS excluding mucosa Rectal wall Rectum, NOS excluding mucosa	ERROR:	ERROR:	ERROR:	ERROR:
662	Described clinically as "frozen pelvis", NOS	T2b	T3b	D	RE
663	(655 or 662) + (640 or 645)	T2b	T3b	D	RE
665	Extension or metastasis to: Cul de sac (rectouterine pouch)	T2b	T3b	D	D
670	OBSOLETE DATA RETAINED AND REVIEWED V0203 See codes 663 and 705 [(650) or (660)] and [(620) or (640)]	T2b	T3b	D	RE
675	FIGO Stage IIB	T2b	T3b	RE	RE
680	OBSOLETE DATA CONVERTED V0203 See code 683 FIGO Stage II [NOS]	ERROR:	ERROR:	ERROR:	ERROR:
682	Extension beyond uterus, within pelvis, NOS	T2NOS	T3NOS	RE	RE
683	FIGO Stage II [NOS]	T2NOS	T3NOS	RE	RE
685	OBSOLETE DATA REVIEWED V0203 See codes 665 and 688 Contiguous extension to abdominal tissues, one of the following sites: Abdominal serosa (peritoneum) Cul de sac Sigmoid colon Small intestine Other abdominal tissues	T3a	T4	D	D
688	Infiltration of abdominal tissues, one of the following sites: Abdominal serosa (visceral or parietal peritoneum of abdomen) Sigmoid colon Small intestine Other abdominal tissues	T3a	T4	D	D
690	FIGO Stage IIIA	T3a	T4	D	D
692	OBSOLETE DATA REVIEWED V0203 See codes 665 and 693 Contiguous extension to abdominal tissues, more than one site: Abdominal serosa (peritoneum) Cul de sac Sigmoid colon Small intestine Other abdominal tissues	T3b	T4	D	D
693	Infiltration of abdominal tissues in code 688, more than one site	T3b	T4	D	D
694	FIGO Stage IIIB	T3b	T4	D	D
696	OBSOLETE DATA CONVERTED V0203 See code 699 FIGO Stage III [NOS]	ERROR:	ERROR:	ERROR:	ERROR:
698	Abdominal tissues involvement, NOS	T3NOS	T4	D	D
699	FIGO Stage III [ NOS]	T3NOS	T4	D	D
700	OBSOLETE DATA CONVERTED V0200 See code 710 Extension to bowel mucosa or bladder mucosa (excluding bullous edema) FIGO Stage IVA FIGO Stage IV, NOS	ERROR:	ERROR:	ERROR:	ERROR:
705	Invasion of: Bladder wall Bladder, NOS excluding mucosa Rectal wall Rectum, NOS excluding mucosa	T4	T3b	RE	RE
708	705 + (688, 693, or 698) Invasion of organs in code 705 plus infiltration of any abdominal tissues	T4	T3b	D	D
710	OBSOLETE DATA REVIEWED AND CHANGED V0203 See codes 715, 720, 730 Extension to bowel mucosa or bladder mucosa (excluding bullous edema) Note: On conversion of code 700 to 710, code 710 also included FIGO Stage IVA, FIGO Stage IV, NOS	ERROR:	ERROR:	ERROR:	ERROR:
715	Extension to bowel mucosa or bladder (excluding bullous edema)	T4	T4	D	D
720	FIGO Stage IVA	T4	T4	D	D
730	FIGO Stage IV [NOS]	T4	T4	D	D
800	OBSOLETE DATA RETAINED AND REVIEWED V0203 See codes 665, 688, 693, and 850 Further contiguous extension Abdominal serosa (peritoneum) Cul de sac Sigmoid colon Small intestine (See codes 685 and 693 if number of involved sites is reported)	T3NOS	T4	D	D
850	Further contiguous extension	T4	T4	D	D
950	No evidence of primary tumor	T0	T0	U	U
999	Unknown; extension not stated Primary tumor cannot be assessed Not documented in patient record	TX	TX	U	U

- For CS Extension codes 100-110, 116-120, 126- 400, and 510-530 ONLY, the T category for AJCC 7 staging is assigned based on the value of CS Tumor Size and CS Extension as shown in the Extension Size AJCC 7 Table for this schema. - For CS Extension codes 100-110, 116-120, 126-400, and 510-540 ONLY. If it is a CS Version 1 case (CS Version Input Original equals 01XXXX and Year of Diagnosis is before 2010), the T category for AJCC 6 staging is assigned based on the value of CS Extension and pleural cytology status coded in CS Site-Specific Factor 2 as shown in the Extension Cytology AJCC 6 Table CSv1. If it is a CS Version 2 case (CS Version Input Original equals 02XXXX) or Year of Diagnosis is greater than 2009), the T category for AJCC 6 staging is assigned based on the value of CS Extension and pleural cytology status coded in CS Site-Specific Factor 2 as shown in the Extension Cytology AJCC 6 Table CSv2. - For CS Extension codes 100-400, 530, and 540 ONLY, the SS77 and SS2000 stages are assigned based on the value of CS Extension and peritoneal cytology status coded in CS Site Specific Factor 2 as shown in the extra table Extension Cytology Summary Stage Table.