]> C24.1 Ampulla of Vater &generalsize; CS Extension Note: High-grade dysplasia is generally not reportable in cancer registries, but, if a registry does collect this, code 000 should be used. Code Description TNM 7 Map TNM 6 Map SS77 Map SS2000 Map 000 In situ, intraepithelial, noninvasive Tis Tis IS IS 100 T1 T1 L L 300 T1 T1 L L 420 T2 T2 RE RE 520 T3 T3 RE RE 620 Common bile duct T4 T4 RE RE 650 T4 T4 RE RE 700 T4 T4 RE RE 710 T4 T4 RE RE 750 Stomach, proximal T4 T4 D RE 760 Peripancreatic soft tissue T4 T4 D D 765 760 + 750 T4 T4 D D 780 Stated as T4 with no other information on extension T4 T4 RE RE 800 T4 T4 D D 950 No evidence of primary tumor T0 T0 U U 999 TX TX U U &generalcstsexteval; CS Lymph Nodes Note 1: Code only regional nodes and nodes, NOS , in this field. Distant nodes are coded in CS Mets at DX. Note 2: Splenic lymph nodes and those located at the tail of the pancreas are not considered regional and should be coded in CS Mets at DX. Code Description TNM 7 Map TNM 6 Map SS77 Map SS2000 Map 000 No regional lymph node involvement N0 N0 NONE NONE 100 N1 N1 RN RN 110 N1 N1 D RN 800 Lymph nodes, NOS N1 N1 RN RN 999 NX 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 M0 M0 NONE NONE 10 M1 M1 D D 40 M1 M1 D D 50 M1 M1 D D 60 M1 M1 D D 99 M0 MX U U &generalmetseval; &commonssf1ampullaofvater; &commonssf2ampullaofvater; &commonssf3ampullaofvater; ¬appssfactor4; ¬appssfactor5; ¬appssfactor6; ¬appnewssf7; ¬appnewssf8; ¬appnewssf9; ¬appnewssf10; ¬appnewssf11; ¬appnewssf12; ¬appnewssf13; ¬appnewssf14; ¬appnewssf15; ¬appnewssf16; ¬appnewssf17; ¬appnewssf18; ¬appnewssf19; ¬appnewssf20; ¬appnewssf21; ¬appnewssf22; ¬appnewssf23; ¬appnewssf24; ¬appnewssf25; &commonhistinclusioncarcinomanonnet; &commonhistexclusionampulla; AJCC TNM 7 Stage T N M Stage T0 N0 M0 ERROR T0 N1 M0 UNK T0 NX M0 UNK Tis N0 M0 0 Tis N1 M0 ERROR Tis NX M0 0 T1 N0 M0 IA T1 N1 M0 IIB T1 NX M0 UNK T2 N0 M0 IB T2 N1 M0 IIB T2 NX M0 UNK T3 N0 M0 IIA T3 N1 M0 IIB T3 NX M0 IINOS T4 N0 M0 III T4 N1 M0 III T4 NX M0 III TX N0 M0 UNK TX N1 M0 UNK TX NX M0 UNK T0 N0 M1 IV T0 N1 M1 IV T0 NX M1 IV Tis N0 M1 ERROR Tis N1 M1 ERROR Tis NX M1 ERROR T1 N0 M1 IV T1 N1 M1 IV T1 NX M1 IV T2 N0 M1 IV T2 N1 M1 IV T2 NX M1 IV T3 N0 M1 IV T3 N1 M1 IV T3 NX M1 IV T4 N0 M1 IV T4 N1 M1 IV T4 NX M1 IV TX N0 M1 IV TX N1 M1 IV TX NX M1 IV &commonstageampulla; &commonsummarystage;