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The same benefits and drawbacks are found when using CT scanning to detect lung cancer—the three-dimensional imaging improves detection of disease but creates hundreds of images that increase a radiologist’s workload, which, (1), can result in missed positive scans.
Researchers at University of Chicago Pritizker School of Medicine presented(2)data on a CAD (computer-aided diagnosis) program they've designed that helps radiologist spot lung cancer(3)CT scanning. Their study was(4)by the NIH and the university.
In the study, CAD was applied to32 low-dose CT scanning with a total of 50 lung nodules, 38 of which were biopsy-confirmed lung cancer that were not found during initial clinical exam. (5) the 38 missed cancers, 15 were the result of interpretation error (identifying an image but(6)it as noncancerous) and 23 (7)observational error (not identifying the cancerous image).
CAD found 32 of the 38 previously missed cancers (84% sensitivity), with false-positive(8)of 1.6 per section.
Although CAD improved detection of lung cancer, it won't replace radiologists, said Samuel G. Armato, PhD, lead author of the study. “The computer is not perfect", Armato saiD.“It will miss some cancers and call some things cancer that (9). The radiologists can identify normal anatomy that the computer may(10)something suspicious. It’s sort of a spellchecker, or a second opinion. ”

问题1选项
A.in common
B.in turn
C.in one
D.in all
问题2选项
A.preliminary
B.considerate
C.deliberate
D.ordinary
问题3选项
A.being used
B.to use
C.using
D.user
问题4选项
A.investigated
B.originated
C.founded
D.funded
问题5选项
A.From
B.Amid
C.Of
D.In
问题6选项
A.disseminating
B.degenerating
C.dismissing
D.deceiving
问题7选项
A.were mistaken for
B.were attributed to
C.resulted in
D.gave way to
问题8选项
A.mortalities
B.incidences
C.images
D.rates
问题9选项
A.don't
B.won't
C.aren't
D.wasn't
问题10选项
A.stand for
B.search for
C.account for
D.mistake for
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