Lung cancer refers to any type of malignant tumor that originates or spreads to the respiratory system.

 TYPES OF LUNG CANCER:

 PRIMARY:

-Non-Small Cell lung cancer-----most common type , can be treated surgically if diagnosed early.

-Small Cell lung cancer-----------mostly found in smokers , respond to radiotherapy & chemotherapy.

 SECONDARY:

-Cancer which originates somewhere else in body & then spread to lungs.

 RISK FACTORS:

-SMOKING------Tobacco contains over 60 toxins or carcinogenic substances that can cause cancer.

 Even after decades of smoking a smoker who quits improves his chances of not being a victim of lung cancer.

 -PASSIVE SMOKING--------Non smokers who live with a smoker are 30% more likely to contract lung cancer so just think about it ,how you are putting your own beloved ones at risk because of this habit.

 -OCCUPATIONAL EXPOSURE-----------Those who are constantly exposed to chemicals & substances that are toxic. Eg. arsenic , asbestos , beryllium , cadmium , coal , silica etc  .  taxi & lorry driving also put you at risk because of constant exposure to fumes.

SIGNS & SYMPTOMS:

 COMMON:

 -PERSISTENT COUGH

-BREATHLESSNESS

-UNEXPLAINED WEIGHT LOSS

-CHEST PAIN WHILE COUGHING

-COUGHING BLOOD STAINED PHLEGM.

 OTHERS:

 -HIGH TEMPERATURE & FATIGUE

-DIFFICULTY IN SWALLOWING

-HOARSE VOICE

-SWELLING OF FACE

 DIAGNOSIS:

-BLOOD TEAT

-X RAY

-CT SCAN

-BRONCHOSCOPY

-BIOPSY

 TREATMENT:

Depending on results of the tests your doctor will determine combination of chemotherapy , radiotherapy , surgery.

 MIND YOU , PROGNOSIS IS BAD IN CASE OF SMOKING INDUCED LUNG CANCER SO STOP SMOKING.