]> C24.8 Overlapping lesion of biliary tract (neoplasms involving both intrahepatic and extrahepatic bile ducts) C24.9 Biliary tract, NOS Note: AJCC does not define TNM staging for this site. &generalsize; CS Extension Code Description TNM 7 Map TNM 6 Map SS77 Map SS2000 Map 000 In situ, intraepithelial, non invasive NA Tis IS IS 100 NA T1 L L 200 Muscularis propria NA T1 L L 300 NA T1 L L 400 NA T2 RE RE 500 Invasion of/through serosa NA T2 L RE 550 500 + 400 NA T2 RE RE 600 Extension into liver, NOS NA T3 RE RE 610 Extension into liver less than or equal to 2 cm NA T3 RE RE 620 NA T3 RE RE 630 NA T3 RE RE 640 NA T3 D D 645 NA T4 RE RE 647 NA T4 D D 650 NA T4 D D 660 NA T4 RE RE 670 NA T4 D D 675 NA T4 D D 700 NA T3 D D 710 NA T4 D D 750 NA T4 RE D 760 NA T4 D D 800 Further contiguous extension NA T4 D D 950 No evidence of primary tumor NA T0 U U 999 NA TX U U &generalcstsexteval; CS Lymph Nodes Note: Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in the CS Mets at DX. Code Description TNM 7 Map TNM 6 Map SS77 Map SS2000 Map 000 No regional lymph node involvement NA N0 NONE NONE 100 NA N1 RN RN 110 NA N1 RN RN 150 NA N1 RN RN 160 NA N1 RN RN 200 NA N1 RN RN 210 NA N1 D RN 300 ERROR ERROR ERROR ERROR 500 NA N1 D RN 600 NA N1 D RN 700 Regional lymph nodes, NOS NA N1 RN RN 800 Lymph nodes, NOS NA N1 RN RN 999 NA NX U U &generalregnodeseval; &generalreglnpos; &generalreglnexam; CS Mets at DX Code Description TNM 7 Map TNM 6 Map SS77 Map SS2000 Map 00 No distant metastasis NA M0 NONE NONE 10 NA M1 D D 40 NA M1 D D 50 NA M1 D D 60 NA M1 D D 99 NA MX U U &generalmetseval; ¬appssfactor1; ¬appssfactor2; ¬appssfactor3; ¬appssfactor4; ¬appssfactor5; ¬appssfactor6; ¬appnewssf7; ¬appnewssf8; ¬appnewssf9; ¬appnewssf10; ¬appnewssf11; ¬appnewssf12; ¬appnewssf13; ¬appnewssf14; ¬appnewssf15; ¬appnewssf16; ¬appnewssf17; ¬appnewssf18; ¬appnewssf19; ¬appnewssf20; ¬appnewssf21; ¬appnewssf22; ¬appnewssf23; ¬appnewssf24; ¬appnewssf25; ¬apphistologiestnm7; &commonhistologyexclusions1; ¬appcsstagetnm7; AJCC TNM 6 Stage T N M Stage T0 N0 M0 ERROR T0 N1 M0 IIB T0 NX M0 UNK T0 N0 M1 IV T0 N1 M1 IV T0 NX M1 IV T0 N0 MX UNK T0 N1 MX UNK T0 NX MX UNK Tis N0 M0 0 Tis N1 M0 ERROR Tis NX M0 0 Tis N0 M1 ERROR Tis N1 M1 ERROR Tis NX M1 ERROR Tis N0 MX 0 Tis N1 MX ERROR Tis NX MX 0 T1 N0 M0 IA T1 N1 M0 IIB T1 NX M0 UNK T1 N0 M1 IV T1 N1 M1 IV T1 NX M1 IV T1 N0 MX UNK T1 N1 MX UNK T1 NX MX UNK T2 N0 M0 IB T2 N1 M0 IIB T2 NX M0 UNK T2 N0 M1 IV T2 N1 M1 IV T2 NX M1 IV T2 N0 MX UNK T2 N1 MX UNK T2 NX MX UNK T3 N0 M0 IIA T3 N1 M0 IIB T3 NX M0 IINOS T3 N0 M1 IV T3 N1 M1 IV T3 NX M1 IV T3 N0 MX UNK T3 N1 MX UNK T3 NX MX UNK T4 N0 M0 III T4 N1 M0 III T4 NX M0 III T4 N0 M1 IV T4 N1 M1 IV T4 NX M1 IV T4 N0 MX UNK T4 N1 MX UNK T4 NX MX UNK TX N0 M0 UNK TX N1 M0 UNK TX NX M0 UNK TX N0 M1 IV TX N1 M1 IV TX NX M1 IV TX N0 MX UNK TX N1 MX UNK TX NX MX UNK &commonsummarystage;