It
smoking,
is
an
chiefly
X
histiocytosis
related
(
pulmonary)
epidemiologically
Langerhans
that
uncommon
cell
Eosinophilic
(
adults)
,
young
also
PLCH
interstitial
lung
X
to
or
known
disease
PHX
affects
histiocytosis.
is
pulmonary
granuloma
tobacco
as,
