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Wei Shu-Tong
EARLY
DETECTION OF
CANCER
Cancer
is
one
of
the major cause
of death
in
the
world.
Approximately
six million people annually developed
various
types
ol
cancer,
and
among
them, five
million of
them
die.
Presently
the possible
cure
for
most
cancer
lies
in
early
detection.
The total curative
or
complete remission
rate
for breast can-
cer,
esophagus carcinoma, and pharyn-
geal cancer has increased to 90% or
more
through
new
technologies.
New
diagnostic
techniques
included type-B
ultrasonic scanning, CT (computerized
topography), MRI (magnetic resonance
image), immunological tests,
molecu-
lar
biological techniques
have
facilitated
early
detection and
should
lead to
areduction in
the
number
of
patients
with
incurable disease at the time of
diagnosis.
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