]> M-9590-9699,9702-9729,9735,9737,9738 (EXCEPT C44.1, C69.0, C69.5-C69.6) M-9811-9818,9823,9827,9837 (EXCEPT C42.0, C42.1, C42.4, C44.1, C69.0, C69.5-C69.6) CS Tumor Size Code Description 888 988 CS Extension Note 1: An E lesion is defined as disease that involves extralymphatic site(s), or sites other than lymph nodes and other lymphatic structures. Other lymphatic structures include spleen (see note 4), thymus gland (C37.9), and Waldeyer's ring (tonsils) (C02.4, C09.0-C09.9, C11.1, C14.2),. Any lymphatic structure (other than spleen) is coded the same as a lymph node region (codes 100, 200, 300). Note 2: While spleen is considered a lymphatic structure, it is coded separately (see codes 120, 220, 230, 320, 330). S equals spleen involvement. Note 3: If there is no mention of lymphatic or extralymphatic involvement but several diagnostic procedures were done, interpret as no involvement. Note 4: Involvement of adjacent soft tissue does not alter the classification. Code Description TNM 7 Map TNM 6 Map SS77 Map SS2000 Map 100 ^ * L L 110 ^ * L L 120 ^ * L L 200 ^ * RNOS RNOS 210 ^ * RNOS RNOS 220 ^ * RNOS RNOS 230 ^ * RNOS RNOS 300 ^ * D D 310 ^ * D D 320 ^ * D D 330 ^ * D D 800 ^ * D D 999 ^ * U U ^ AJCC stage group for this schema is derived directly from CS Extension and CS Site-Specific Factor 2, as shown in the AJCC TNM 7 Stage table. The AJCC Stage Groups I-IV are subdivided into A and B based on the presence or absence of symptoms coded in CS Site-Specific Factor 2. * AJCC stage group for this schema is derived directly from CS Extension and CS Site-Specific Factor 2, as shown in the AJCC TNM 6 Stage table. The AJCC Stage Groups I-IV are subdivided into A and B based on the presence or absence of symptoms as coded in CS Site-Specific Factor 2. CS Tumor Size/Ext Eval Note: According to AJCC, "The use of the term pathologic staging is reserved for patients who undergo staging laparotomy with an explicit intent to assess the presence of abdominal disease or to define histologic microscopic disease extent in the abdomen. Staging laparotomy and pathological staging have been essentially abandoned as useful procedures." (7th ed., page ) Therefore, Collaborative Staging uses a modified evaluation scheme for lymphomas, and it applies to the CS Tumor Size/Ext-Eval field only. The other Eval fields are coded as "not applicable" for this schema. Code Description Staging Basis 0 c 2 p 3 p 8 a 9 c ¬applymphnodes; CS Lymph Nodes Eval Code Description Staging Basis 9 Not applicable for this site. ¬appreglnpos; ¬appreglnexam; ¬appcsmetsatdx; CS Mets Eval Code Description Staging Basis 9 Not applicable for this site. &commonssf1lymphoma; &commonssf2lymphoma; &commonssf3lymphoma; &commonssf4lymphoma; &commonssf5lymphoma; ¬appssfactor6; ¬appnewssf7; ¬appnewssf8; ¬appnewssf9; ¬appnewssf10; ¬appnewssf11; ¬appnewssf12; ¬appnewssf13; ¬appnewssf14; ¬appnewssf15; ¬appnewssf16; ¬appnewssf17; ¬appnewssf18; ¬appnewssf19; ¬appnewssf20; ¬appnewssf21; ¬appnewssf22; ¬appnewssf23; ¬appnewssf24; ¬appnewssf25; &commonhistinclusionlymphoma; ¬appsajcchistdrivensites; &commonstagelymphomatnm7; &commonstagelymphoma; &commonsummarystage;