What is this Lung Cancer ???
Lung cancer is a disease characterized by
uncontrolled cell growth in tissues of the lung.
If left untreated, this growth can spread beyond the
lung in a process called metastasis into nearby
tissue or other parts of the body.
Most cancers that start in lung, known
as primary lung cancers, are caecinomas that derive
from epithelial cells.
Types Of Lung Cancer :
Small-Cell Lung Carcinoma (Oat Cell Cancer).
Non-Small-Cell Lung Carcinoma.
Signs & Symptoms Of Lung Cancer…
Respiratory Symptoms :
Coughing Up Blood ,
Shortness Of Breath.
Symptoms Due to Local Compress:
Causes Of Lung Cancer ….
About 106,000 people
die each year in U.K.
due to smoking
2. Radon Gas…
Radon is the second-most common cause of lung
cancer in the USA, after smoking.
Radon is a colorless and odorless gas generated by
the breakdown of radioactive radium, which in turn is
the decay product of uranium, found in the
Asbestos can cause a variety of lung diseases,
including lung cancer.
Tobacco smoking and asbestos have
a synergistic effect on the formation of lung cancer.
Asbestos can also cause cancer of the pleura,
4. Air Pollution ….
Outdoor air pollution has a small effect on
increasing the risk of lung cancer.
Fine particulates and sulfate aerosols, which may be
released in traffic exhaust fumes, are associated with
slightly increased risk.
Outdoor air pollution is estimated to account for 1–
2% of lung cancers.
For nitrogen dioxide, an incremental increase of
10 parts per billion increases the risk of lung cancer
4.2. Indoor Air Pollution…
Due to the burning of wood, charcoal, dung or crop
residue for cooking and heating.
Women who are exposed to indoor coal smoke have
about twice the risk and a number of the by-products
of burning biomass are known or suspected
This risk affects about 2.4 billion people globally, and
is believed to account for 1.5% of lung cancer
It is estimated that 8 to 14% of lung cancer is due
to inherited factors.
In relatives of people
with lung cancer, the risk
is increased 2.4 times.
This is likely due to a
combination of genes.
Performing a chest radiograph is one of the first
investigative steps if a person reports symptoms that
may suggest lung cancer.
CT imaging is typically used to provide more
information about the type and extent of disease.
Bronchoscopy or CT-guided biopsy is often used to
sample the tumor for histopathology.
Eliminate tobacco is primary goal.
Policy interventions to
decrease passive smoking in
Bhutan Completely ban
smoking since 2005 and
India introduced a ban on
smoking in public in
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