Table 1.

Characteristics of CC patients aged < 40 in the SEER database, 2004–2013 (N = 2360)

Characteristics		Number of patients	(%)
Gender	Male	1180	50.0
	Female	1180	50.0
Race	White	1758	74.5
	Black	317	13.4
	*Others	285	12.1
AJCC stage	Stage I	293	12.4
	Stage II	823	34.9
	Stage III	1244	52.7
Grade	Grade I	146	6.2
	Grade II	1622	68.7
	Grade III	517	21.9
	Grade IV	75	3.2
Histology type	Adenocarcinoma	2021	85.7
	Mucous/signet-ring cell	312	13.2
	Other types	27	1.1
Tumor location	Left-sided colon	1215	51.5
	Right-sided colon	1145	48.5
T stage	T1/T2	422	17.9
	T3/T4	1938	82.1
N stage	N0	1129	47.8
	N1/N2	1231	52.2
Tumor size (cm)	0–5	1059	44.9
	≥5	1301	55.1
Surgical procedure	Partial colectomy	917	38.9
	Hemicolectomy	1443	61.1

*Others: American Indian/AK Native, Asian/Pacific Islander