Extension Cytology AJCC 6 Table CSv1
Notes
**Note**: For CS Version 2 cases (CS Version Input Original equals 02XXXX) or Year of Diagnosis greater than 2009) and for CS Extension codes 100-110, 116-120, 126-400, and 510-540 ONLY. The T category for AJCC 6 staging is assigned based on the value of CS Extension and peritoneal cytology status coded in CS Site Specific Factor 2 as shown in this table.| CS Extension | CS SSF 2 | AJCC 6 T |
|---|---|---|
| 100, 116, 140, 400, 530, 540 | 000, 020, 988, 997-999 | T1NOS |
| 110 | 000, 020, 988, 997-999 | T1a |
| 120, 126 | 000, 020, 988, 997-999 | T1b |
| 130 | 000, 020, 988, 997-999 | T1c |
| 160 | 000, 010, 020, 988, 997-999 | T3a |
| 510 | 000, 020, 988, 997-999 | T2a |
| 520 | 000, 020, 988, 997-999 | T2b |
| 523 | 000, 020, 988, 997-999 | T2NOS |
| 100, 110, 116, 120, 126, 130, 140, 400, 510, 520, 523, 530, 540 | 010 | T3a |
| 100, 110, 116, 120, 126, 130, 140, 160, 400, 510, 520, 523, 530, 540 | 888 | ERROR: |
| CS Extension | CS SSF 2 | AJCC 6 T |
|---|---|---|
| 100 | 000 | T1NOS |
| 110 | 000 | T1a |
| 116 | 000 | T1NOS |
| 120 | 000 | T1b |
| 126 | 000 | T1b |
| 130 | 000 | T1c |
| 140 | 000 | T1NOS |
| 160 | 000 | T3a |
| 400 | 000 | T1NOS |
| 510 | 000 | T2a |
| 520 | 000 | T2b |
| 523 | 000 | T2NOS |
| 530 | 000 | T1NOS |
| 540 | 000 | T1NOS |
| 100 | 010 | T3a |
| 110 | 010 | T3a |
| 116 | 010 | T3a |
| 120 | 010 | T3a |
| 126 | 010 | T3a |
| 130 | 010 | T3a |
| 140 | 010 | T3a |
| 160 | 010 | T3a |
| 400 | 010 | T3a |
| 510 | 010 | T3a |
| 520 | 010 | T3a |
| 523 | 010 | T3a |
| 530 | 010 | T3a |
| 540 | 010 | T3a |
| 100 | 020 | T1NOS |
| 110 | 020 | T1a |
| 116 | 020 | T1NOS |
| 120 | 020 | T1b |
| 126 | 020 | T1b |
| 130 | 020 | T1c |
| 140 | 020 | T1NOS |
| 160 | 020 | T3a |
| 400 | 020 | T1NOS |
| 510 | 020 | T2a |
| 520 | 020 | T2b |
| 523 | 020 | T2NOS |
| 530 | 020 | T1NOS |
| 540 | 020 | T1NOS |
| 100 | 888 | ERROR: |
| 110 | 888 | ERROR: |
| 116 | 888 | ERROR: |
| 120 | 888 | ERROR: |
| 126 | 888 | ERROR: |
| 130 | 888 | ERROR: |
| 140 | 888 | ERROR: |
| 160 | 888 | ERROR: |
| 400 | 888 | ERROR: |
| 510 | 888 | ERROR: |
| 520 | 888 | ERROR: |
| 523 | 888 | ERROR: |
| 530 | 888 | ERROR: |
| 540 | 888 | ERROR: |
| 100 | 988 | T1NOS |
| 110 | 988 | T1a |
| 116 | 988 | T1NOS |
| 120 | 988 | T1b |
| 126 | 988 | T1b |
| 130 | 988 | T1c |
| 140 | 988 | T1NOS |
| 160 | 988 | T3a |
| 400 | 988 | T1NOS |
| 510 | 988 | T2a |
| 520 | 988 | T2b |
| 523 | 988 | T2NOS |
| 530 | 988 | T1NOS |
| 540 | 988 | T1NOS |
| 100 | 997-999 | T1NOS |
| 110 | 997-999 | T1a |
| 116 | 997-999 | T1NOS |
| 120 | 997-999 | T1b |
| 126 | 997-999 | T1b |
| 130 | 997-999 | T1c |
| 140 | 997-999 | T1NOS |
| 160 | 997-999 | T3a |
| 400 | 997-999 | T1NOS |
| 510 | 997-999 | T2a |
| 520 | 997-999 | T2b |
| 523 | 997-999 | T2NOS |
| 530 | 997-999 | T1NOS |
| 540 | 997-999 | T1NOS |