<s>
The	O
ELVIS	B-Algorithm
Procedure	I-Algorithm
is	O
a	O
hybrid	O
endoscopic	B-Application
and	O
laparoscopic	O
operation	O
for	O
evaluation	O
of	O
the	O
colon	O
.	O
</s>
<s>
ELVIS	O
stands	O
for	O
endoscopic/laparoscopic	O
visualisation	O
.	O
</s>
<s>
This	O
is	O
also	O
found	O
in	O
the	O
surgical	O
literature	O
as	O
a	O
"	O
laparoscopic-assisted	O
endoscopy	B-Application
"	O
and	O
has	O
been	O
described	O
since	O
1992	O
.	O
</s>
<s>
During	O
an	O
ELVIS	B-Algorithm
procedure	I-Algorithm
one	O
proceduralist	O
attempts	O
a	O
standard	O
colonoscopy	O
in	O
the	O
operating	O
room	O
with	O
the	O
patient	O
under	O
anesthesia	O
.	O
</s>
