Table 4

 Number (%) of patients in major subgroups of non-Hodgkin lymphoma (NHL) with nodal, extranodal, or combined organ involvement, and clinical stage according to Ann Arbor18

All (n = 55)*NHL B cell (n = 16)T cell (n = 37)Primary gastrointestinal (n = 30)
*Includes 16 cases of B cell NHL, 37 cases of T cell NHL, and two cases of unspecified NHL.
Nodal involvement only9 (16%)5 (31%)4 (11%)0
Extranodal involvement only19 (35%)3 (19%)16 (43%)15 (50%)
Nodal and extranodal involvement27 (49%)8 (50%)17 (46%)15 (50%)
Ann Arbor
    I19 (34%)5 (31%)14 (38%)15 (50%)
    II17 (31%)7 (44%)10 (27%)7 (23%)
    III7 (13%)2 (12%)4 (11%)1 (3%)
    IV12 (22%)2 (12%)9 (24%)7 (23%)