11.   The other breakthrough, also by the Hopkins Kimmel centre, searches for a different genetic mutation in faeces with the aim of spotting proximal colorectal cancers.

a. + mutation >>共 150
genetic 30.05%
random 4.82%
new 4.13%
natural 2.75%
different 2.52%
same 2.06%
particular 1.83%
single 1.38%
specific 1.38%
inherited 1.38%
different + n. >>共 1053
way 3.56%
kind 2.51%
story 2.01%
type 1.82%
approach 1.73%
view 1.62%
part 1.49%
thing 1.37%
time 1.23%
direction 1.12%
mutation 0.02%
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