<s>
Endoscopic	B-Algorithm
mucosal	I-Algorithm
resection	I-Algorithm
is	O
a	O
technique	O
used	O
to	O
remove	O
cancerous	O
or	O
other	O
abnormal	O
lesions	O
found	O
in	O
the	O
digestive	O
tract	O
.	O
</s>
<s>
Endoscopic	B-Algorithm
mucosal	I-Algorithm
resection	I-Algorithm
has	O
been	O
advocated	O
for	O
early	O
esophageal	O
cancers	O
(	O
that	O
is	O
,	O
those	O
that	O
are	O
superficial	O
and	O
confined	O
to	O
the	O
mucosa	O
only	O
)	O
and	O
has	O
been	O
shown	O
to	O
be	O
a	O
less	O
invasive	O
,	O
safe	O
,	O
and	O
effective	O
therapy	O
for	O
early	O
squamous	O
cell	O
carcinoma	O
.	O
</s>
<s>
The	O
most	O
commonly	O
employed	O
modalities	O
of	O
endoscopic	B-Algorithm
mucosal	I-Algorithm
resection	I-Algorithm
include	O
strip	O
biopsy	O
,	O
double-snare	O
polypectomy	O
,	O
resection	O
with	O
combined	O
use	O
of	O
highly	O
concentrated	O
saline	O
and	O
epinephrine	O
,	O
and	O
resection	O
using	O
a	O
cap	O
.	O
</s>
<s>
The	O
strip	O
biopsy	O
method	O
for	O
endoscopic	B-Algorithm
mucosal	I-Algorithm
resection	I-Algorithm
of	O
esophageal	O
cancer	O
is	O
performed	O
with	O
a	O
double-channel	O
endoscope	O
equipped	O
with	O
grasping	O
forceps	O
and	O
snare	O
.	O
</s>
<s>
Another	O
method	O
of	O
endoscopic	B-Algorithm
mucosal	I-Algorithm
resection	I-Algorithm
employs	O
the	O
use	O
of	O
a	O
clear	O
cap	O
and	O
looped	O
snare	O
inside	O
the	O
cap	O
.	O
</s>
<s>
Endoscopic	B-Algorithm
mucosal	I-Algorithm
resection	I-Algorithm
can	O
also	O
be	O
used	O
to	O
either	O
debulk	O
or	O
completely	O
treat	O
polypoid	O
dysplastic	O
or	O
malignant	O
lesions	O
in	O
Barrett	O
’s	O
esophagus	O
,	O
the	O
known	O
precursor	O
lesion	O
to	O
esophageal	O
adenocarcinoma	O
.	O
</s>
<s>
The	O
major	O
complications	O
of	O
endoscopic	B-Algorithm
mucosal	I-Algorithm
resection	I-Algorithm
include	O
postoperative	O
bleeding	O
,	O
perforation	O
,	O
and	O
stricture	O
formation	O
.	O
</s>
<s>
Endoscopic	B-Algorithm
mucosal	I-Algorithm
resection	I-Algorithm
and	O
submucosal	O
dissection	O
are	O
also	O
highly	O
effective	O
methods	O
for	O
resection	O
or	O
large	O
,	O
non-malignant	O
colorectal	O
polyps	O
and	O
superficially	O
(	O
stage	O
T1a	O
)	O
invasive	O
colorectal	O
cancers	O
.	O
</s>
<s>
The	O
largest	O
study	O
of	O
endoscopic	B-Algorithm
mucosal	I-Algorithm
resection	I-Algorithm
by	O
the	O
Australian	O
Consortium	O
included	O
1000	O
cases	O
and	O
long	O
term	O
surveillance	O
.	O
</s>
<s>
After	O
exclusion	O
of	O
79	O
unresectable	O
lesions	O
,	O
the	O
remainder	O
were	O
treated	O
by	O
endoscopic	B-Algorithm
mucosal	I-Algorithm
resection	I-Algorithm
.	O
</s>
<s>
Endoscopic	B-Algorithm
mucosal	I-Algorithm
resection	I-Algorithm
has	O
been	O
shown	O
to	O
be	O
less	O
expensive	O
and	O
safer	O
compared	O
to	O
surgical	O
resection	O
of	O
large	O
,	O
non-invasive	O
polyps	O
of	O
the	O
bowel	O
.	O
</s>
<s>
Endoscopic	B-Algorithm
mucosal	I-Algorithm
resection	I-Algorithm
requires	O
training	O
to	O
achieve	O
proficiency	O
.	O
</s>
<s>
Many	O
centers	O
in	O
the	O
United	O
States	O
now	O
offer	O
high-quality	O
,	O
high-volume	O
colorectal	O
endoscopic	B-Algorithm
mucosal	I-Algorithm
resection	I-Algorithm
.	O
</s>
