Most
patients
____________________
idiopathic
pulmonary
fibrosis
present
with
a
gradual
onset
,
____________________
greater
than
six
months
,
of
dyspnea
and
/
or
a
____________________
cough
.
The
symptoms
often
precede
the
diagnosis
by
____________________
median
of
one
to
two
years
.
A
chest
____________________
typically
reveals
diffuse
reticular
opacities
.
However
,
it
lacks
____________________
specificity
.
High
-
resolution
computed
tomography
(
HRCT
)
findings
are
significantly
more
____________________
and
specific
for
the
diagnosis
of
idiopathic
pulmonary
____________________
.
On
HRCT
images
,
usual
interstitial
pneumonia
is
characterized
____________________
the
presence
of
reticular
opacities
often
associated
with
____________________
bronchiectasis
.
As
idiopathic
pulmonary
fibrosis
progresses
,
honeycombing
becomes
____________________
prominent
.
Pulmonary
function
tests
often
reveal
restrictive
____________________
and
reduced
diffusing
capacity
for
carbon
monoxid
e
