Clinicopathological features of small T1 colorectal cancers

doi:10.12998/wjcc.v9.i33.10088

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World Journal of Clinical Cases

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2307-8960

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Retrospective Study

World J Clin Cases. Nov 26, 2021; 9(33): 10088-10097
Published online Nov 26, 2021. doi: 10.12998/wjcc.v9.i33.10088

Table 1 Clinicopathological characteristics of the study patients (n =1152)

Age, yr	66.4 ± 11.6
Sex (male/female)	729 (63.3)/423 (36.7)
Location (left-sided/right-sided)	788 (68.4)/364 (31.6)
Tumor size (mm)	21.2 ± 13.3
Polypoid/non-polypoid growth (polypoid/non-polypoid)	714 (62.0)/438 (38.0)
Adenomatous component (±)	466 (40.5)/686 (59.5)
Morphology (flat/ protruded/ depressed)	397 (34.5)/475 (41.2)/280 (24.3)
Initial treatment (endoscopic/surgical)	710 (61.6)/442 (38.4)
Surgical resection¹	798 (69.3)/354 (30.7)
Depth of invasion (T1b/T1a)	826 (71.7)/326 (28.3)
Histological grade (Por or Muc²/tub1 or tub2)	58 (5.0)/1094(95.0)
Vascular invasion (±)	322 (28.0)/830 (72.0)
Lymphatic invasion (±)	342 (29.7)/810 (70.3)
Tumor budding (BD 2 or 3/BD 1)	242 (21.0)/910 (79.0)

¹Surgical resection: Initial and additional surgical resection.

²Por or Muc, poorly differentiated adenocarcinoma or mucinous carcinoma. Results are expressed as mean ± SD or number of patients (%), as appropriate.

Citation: Takashina Y, Kudo SE, Ichimasa K, Kouyama Y, Mochizuki K, Akimoto Y, Maeda Y, Mori Y, Misawa M, Ogata N, Kudo T, Hisayuki T, Hayashi T, Wakamura K, Sawada N, Baba T, Ishida F, Yokoyama K, Daita M, Nemoto T, Miyachi H. Clinicopathological features of small T1 colorectal cancers. World J Clin Cases 2021; 9(33): 10088-10097
URL: https://www.wjgnet.com/2307-8960/full/v9/i33/10088.htm
DOI: https://dx.doi.org/10.12998/wjcc.v9.i33.10088