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Additional
lung cancer
English Wikipedia - The Free Encyclopedia
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Lung cancer
Lung cancer
, also known as
lung carcinoma
, is a malignant
lung tumor
characterized by uncontrolled
cell growth
in
tissues
of the
lung
. If left untreated, this growth can spread beyond the lung by process of
metastasis
into nearby tissue or other parts of the body. Most
cancers
that start in the lung, known as primary lung cancers, are
carcinomas
that derive from
epithelial
cells. The main primary types are
small-cell lung carcinoma
(SCLC) and
non-small-cell lung carcinoma
(NSCLC). The most common
symptoms
are coughing (including
coughing up blood
), weight loss, shortness of breath, and
chest pains
.
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