Table 1 Biopsy during SEMS placement procedure

Alshammari [12]

Saudi Arabia

2020

CR

1

GE

Left colon

N/A

Berselli [13]

Italy

2019

RS

33

GE

Left colon, splenic, or hepatic flexure

N/A

Bonfante [14]

Italy

2012

RS

45

S

Left colon, rectum

N/A

Donlon [15]

Ireland

2019

RS

103

N/A

All locations

N/A

Dulucq [16]

France

2006

PS

14

GE

Left colon, right colon, rectum

N/A

Feo [17]

USA

2011

R

-

N/A

Left colon, right colon

N/A

Fernández-Esparrach [18]

Spain

2010

RS

39

GE

Left colon, rectum

N/A

Gianotti [19]

Italy

2013

PS

83

GE

Left colon, right colon

N/A

Han [20]

China

2020

RS

14

S

Left colon, splenic flexure

N/A

Jost [21]

Switzerland

2007

RS

67

N/A

Left colon, splenic flexure, rectum

Yes

Keymling [39]

Germany

2003

R

-

N/A

All locations

N/A

Kuwai [22]

Japan

2018

PS

501

N/A

Left colon, right colon

N/A

Könes [23]

Turkey

2019

RS

21

GS

Splenic or hepatic flexure

N/A

Lee [24]

South Korea

2012

RS

88

GE

Left colon, right colon, rectum

N/A

Li [40]

China

2019

RS

26

GE

Left colon, splenic flexure, rectum

N/A

Liu [25]

China

2019

CR

6

CS

Left colon, rectum

N/A

Matsuda [26]

Japan

2016

RS

28

CS

Left colon, right colon, rectum

N/A

Matsuda [27]

Japan

2019

RS

25

S

Left colon, right colon, rectum

N/A

Matsuzawa [28]

Japan

2015

PS

513

GE

All locations

No

Pacheco-Barcia [29]

Spain

2019

RS

78

N/A

Left colon, transverse colon

N/A

Repici [30]

Italy

2006

R

-

N/A

Left colon, right colon

N/A

Repici [31]

Italy

2008

PS

42

N/A

All locations

N/A

Saito [32]

Japan

2015

PS

296

N/A

Left colon, right colon, rectum

No

Soto [33]

Spain

2006

RS

62

N/A

Left colon, right colon, rectum

N/A

Stipa [34]

Italy

2007

PS

30

N/A

Left colon, splenic or hepatic flexure, rectum

N/A

Tomita [35]

Japan

2019

PS

404

N/A

Left colon, right colon, rectum

No

van den Berg [36]

The Netherlands

2014

RS

59

GE

Left colon, right colon, splenic flexure

N/A