1.Introduction The first wealth is health. However, Are


first wealth is health.  However, Are you
sure this wealth is safe and lasting long? 
Nowadays, Cancer becomes a burden of the whole world, especially in poor
and developing country. In Viet Nam, the statistics of Union For Cancer Control
estimated that there are about 94,000 people died because of cancer. Lung
cancer is the most popular cancer affecting both males and females. It is the
leading cancer of males and a major cancer of females. However, we could avoid
this serious disease absolutely and we also have many ways to fight with it. Thus,
this paper base on secondary data , will discuss about facts, symptoms, causes
and treatments of lung cancer

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Discussion of findings

What is lung cancer?

to Mayo Clinic (2017), The lung is an important organ in our body, consists of
two parts: left lung and right lung. Lungs help us breathe. Air comes through
the mouth to the lung. Here, the air would be sponged, get rid of carbon
dioxide to hold oxygen. After that, oxygen would be given into blood vessel to
go throughout the body

to “what you need to know about lung cancer” (2012), normally, cells in lungs
and other parts of body develop and separate to form new cells if they are
needed. When normal cells become old or are damaged, they die and new cells
would replace. However, this process goes wrong sometimes. New cells grow
without the need of the body or some cells still remain and they are not
destroyed in process. The buildup of extra cells often forms a large of problem
called a growth or tumor. At that situation, lung cancer cells can spread by
breaking away from a lung tumor. They go throughout blood vessels or lymph
vessels and cover all body. Gradually, abnormal cells develop at other organs
in body such as kidneys, brain or heart. As

to M. Ratini (2016) lung cancer is divided into two types: small cell lung
cancer (SCLC) and non-small cell lung cancer (NSCLC). This division is based on
appearance of the tumor cells. Firstly, SCLC accounts for 10%-15% of lung
cancers. It has close relationship with cigarette smoking. SCLCs metastasize
rapidly to other organs in the body and most are discovered after spreading
extensively. Secondly, NSCLC is the most common, with 85% of all cases. Based
on different type of cells founded in tumor, NSCLC is divided into three main
types: Adenocarcinomas, squamous cell carcinomas and large cell carcinomas. According
to Cleveland Clinic (2014), there are also other cancers such as small cell
lung cancer, rare cancers of the chest or mesothelioma.

2.2 What are symptoms of lung cancer?

to Cleveland Clinic (2014), lung cancer experiences three main stages. At two
first stages localized and regional, the cancer is confused and spread to lymph
moles. At third stage of lung cancer called distant it spreads to other parts
of body. According to The World Health
Organization, about 85% lung cancer patients discover this disease at last
stage of lung cancer.  It takes several
years for lung cancer develop until the disease is advanced. However, most of
people don’t recognize its symptoms because they are very common such as:

Coughing, especially it stay persistent, becomes intense or even
coughing up blood
Shortness of breath
A change in colour or volume of sputum
Changes in your voice
Harsh sounds
Headaches, bone or joint pain
Loss of weight
General sickness
Bone problems without accidents
Facial swelling
Shortage of blood

to Deborah (2017)

These signs seem very common. In particular, at
first stages, these are unclear till cancer becomes more seriously. That is
reason why almost patients suffer from bad status at last stages, w