Table 2.

Surgical procedures for primary tumor and perioperative treatment.

Authors	Clinical study	Number of patients	Right colectomy	Left colectomy	Rectal resection	Miles	Minor hepatectomy	Major hepatectomy	Neoadjuvant CHT/RT	Adjuvant CHT/RT
Leung et al. [28]	CR	1	—	—	1 (1 ileostomy)	—	1	—	—	1
Choi et al. [27]	CR	1	—	—	1	—	1	—	—	—
Sasaki et al. [29]	CS	9	2	—	5∗	2	9	—	—	—
Patriti et al. [26]	CS	6 (of 7)	1	4	1	—	6	—	1 CHT 1 RT	—
Casaccia et al. [20]	CR	1	—	—	1	—	—	1	—	1
Lee et al. [6]	CS	10	4	—	6 (2 ileostomies)	—	9	1	—	—
Lupinacci et al. [3]	CR	1	—	1	—	—	1	—	—	1
Tranchart et al. [30]	CR	2	1	1	—	—	—	2	1	—
Polignano et al. [31]	CS	13 (of 20)	7	2	4	—	13	—	—	—
Hoekstra et al. [7]	CR	2 (of 5)	1	1	—	—	2	—	—	—
Hu et al. [32]	CM	13	3	4	1	5	11	2	—	12
Spampinato et al. [21]	CS	4	—	3	1	—	—	4	4	4
Ida et al. [24]	CS	10	2	3	4	1	10	—	2	—
Aljiffry et al. [33]	CR	1	—	—	1	—	1	—	1 CHT/RT	—
Inoue et al. [23]	CS	8 (of 10)	2	3	3	—	8	—	1 CHT	6
Lin et al. [9]	CM	7	—	4	2	1	7	—	1	7
Ando et al. [18]	CR	2	—	1	1	—	2	—	—	—
Jung et al. [22]	CM	24	2	1	21 (3 ileostomies)	—	18	6	—	—
Liu et al. [19]	CR	1	—	—	1	—	—	1	—	—
Berti et al. [10]	CS	34 (of 35)	10	8	15 (2 ileostomies)	1	34	—	—	34
		Tot. 150	Tot. 35	Tot. 36	Tot. 69	Tot. 10	Tot. 133	Tot. 17	Tot. 12	Tot.66

CR: case report, CS: case series, CM: case matched, CHT: chemotherapy, and RT: radiotherapy.

^∗4 rectal resections and 1 subtotal proctocolectomy.