Table 1.

Patient and tumor characteristics at time of HL diagnosis

GI sites	All		Colon		Stomach		Pancreas		Rectum		Esophagus
Characteristics	Number	%	Number	%	Number	%	Number	%	Number	%	Number	%
Number of patients	209		105		35		30		21		18
Age at HL diagnosis (years)
<15	4	2	1	1	1	3	1	3	0	0	1	6
15–39	79	37	30	29	23	66	12	40	5	24	7	39
40–59	73	35	39	37	6	17	11	37	9	43	8	44
>60	55	26	35	33	5	14	6	20	7	33	2	11
Year of diagnosis
1973–1979	77	37	35	33	20	57	12	40	4	24	6	33
1980–1989	79	38	44	42	11	31	10	33	8	38	6	33
1990–2007	53	25	26	25	4	11	8	27	9	43	6	33
Subtype
Nodular sclerosis	102	49	47	45	18	51	16	53	10	48	11	61
Mixed cellularity	54	25	31	30	11	31	6	20	4	19	2	11
Other	38	18	12	11	6	17	8	27	7	33	5	28
Unknown	15	7	15	14	0	0	0	0	0	0	0	0
Stage of HLa
I	60	29	32	30	8	23	13	43	4	19	3	17
II	50	24	25	24	9	26	7	23	8	38	1	6
III/IV	99	47	48	46	18	51	10	33	9	43	14	78
Radiotherapy
Yes	114	55	55	52	24	69	13	43	13	62	9	50
No	92	44	48	46	11	31	17	57	8	38	8	44
Unknown	3	1	2	2	0	0	0	0	0	0	1	6

^aRefer to reference [11].

HL, Hodgkin's lymphoma; GI, gastrointestinal.