A Lung Cancer is when out-of-control cell growth occurs in one or both lungs. The cancer can arise in any part of the lung, but majority of it arises in the epithelial cells, which are the lining of the Bronchi and bronchioles i.e. the larger and the smaller airways of the lungs.

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A Lung Cancer is when out-of-control cell growth
occurs in one or both lungs. The cancer can arise in
any part of the lung, but majority of it arises in the
epithelial cells, which are the lining of the Bronchi and
bronchioles i.e. the larger and the smaller airways of
the lungs. Lung cancer is predominantly a disease of
the elderly almost 70% of people diagnosed with lung
cancer are over 65 years of age.
What is Lung Cancer?
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Lung Cancer is Largely Classified into Two Main
Types Based on the Cancer.
Small cell carcinoma : It generally starts in one of the larger breathing tubes, grows fairly
rapidly, and is likely to be large by the time of diagnosis.
Non-small cell lung cancer (NSCLC) :It is further classified into the following:-
Epidermoid carcinoma or Squamous cell carcinoma: It forms in the lining of the
bronchial tubes and it usually starts from one of the larger breathing tubes and grows
relatively slowly.
•Adenocarcinoma: It starts forming in the mucus-producing glands of the lungs. It is
most common type of lung cancer that occurs in Women’s and Non-smokers.
•Large cell caracinoma: This kind of NSCLC initiates near the surface of the lung and it
grows rapidly.

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There are usually no signs or
symptoms in lung cancer.
The main symptoms of lung cancer are listed
below:
A cough that doesn’t go away after two
or three weeks
A long-standing cough that gets worse
Persistent chest infections
Coughing up blood
Persistent breathlessness
Loss of appetite or unexplained weight
loss

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Diagnosis of Lung Cancer
 History and physical examination, and imaging with chest X-ray and CT scan or MRI.
 Positron emission tomography (PET) scanning is a specialized imaging technique
that uses short-lived radioactive drugs to produce three-dimensional colored images
of those substances in the tissues within the body, in a growing tumor.
 Bone scans are used to create images of bones on a computer screen or on film.
 Sputum cytology: The diagnosis of lung cancer requires confirmation of malignant
cells by a pathologist.
 Bronchoscopy: Examination of the airways through a probe inserted through the nose
or mouth may reveal areas of tumor that can be sampled (biopsied) for diagnosis by a
pathologist.
 Thoracentesis: Sometimes lung cancers lead to an accumulation of fluid in the space
between the lungs and chest wall (called a pleural effusion).

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Lung Cancer Treatment Options Available at Best Cancer
Hospitals in India
Chemoembolization:Strong chemicals are used in
chemotherapy that interferes with cell division process and
damages DNA or proteins. The aim of these treatments is to
rapidly divide the cells. The normal cells can be recovered from
any chemical-induced damage whereas cancer cells cannot be
recovered. The medicines in chemotherapy travel in a
systematic way by passing from the complete body and
destroying the original tumor cells that have spread in the
whole body. Usually many therapies are combined that also
includes many types of chemotherapy.
Targeted Therapy :Targeted therapy drugs more specifically target cancer cells, resulting in
less damage to normal cells than general chemotherapeutic agents. Erlotinib and gefitinib
target a protein called the epidermal growth factor receptor (EGFR) that is important in
promoting the division of c

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