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Lung cancer

Lung cancer screening

Lung cancer : SCLC and NSCLC.

Lung cancer can be tracked. Do it before clinical signs (always late). Tragic figure : 13% survivors after 5 years can be improved.

Your health in your hands.

Worldwide, lung cancer is the most common and deadliest cancer.

Do you know that :
- lung cancer, the killer n°1, is leading site of cancer death ?
- there were 157 000 deaths by lung cancer in the US in 2003 ?
- passive smoking may speed cancer growth ? Nevertheless, certain types of pollution are more dangerous than second hand smoke.
- 87% of lung cancer patients smoked, but 13% never smoked ?
- only 1 of 9 smokers will develop lung cancer, not the 8 other ones : are you among the lucky ones?
These figures come from the most important cancer societies, as the ACS and the NCI (American Cancer Society and National Cancer Institute). CancersafeŽ features important information about lung cancer and smoking :
heavy smokers are far more likely than non-smokers to develop diseases such as lung cancer.

To clear one's own mind, performing serious exams, such as our CancersafeŽtest, should be advised.
Do it, your life is at stake.

1) Epidemiology: lung cancer is the "number one killer": the most widespread cancer worldwide, it's still on the increase.
Lung cancer represents the prototype of a tumour induced by chemical carcinogens, and in principle its incidence could be decreased by public health measures. In industrialized countries, the association of lung cancer and cigarette smoking is strong (85%), there is evident correlation between smoking and lung cancer, but only a small proportion of smokers (1 of 9) develop lung cancer. Many lung cancers develop without known exposure to a known carcinogen.
Nevertheless, indisputable advances have been achieved over recent years as far as therapeutics are concerned. This cancer is undoubtedly linked to tobacco use, this use having started in western countries since the second world war. It represents 20% of all cancers in North America, versus only 1 to 2% in Africa. Please note that it is becoming more common among women, because of their changes in smoking habits : lung cancer is becoming a bigger problem in women every year. If the current trends continue, in 10 to 15 years, there will be as many cases of lung cancer in women and men : the incidence will be identical, while it was 3.5:1 (3 more times for men) in 1975, and 1.5:1 in 1999.
The medium age of diagnosis is 66 years.

Lung cancer has a bad prognosis, because it is generally diagnosed too late: when diagnosed at advanced stages, 50% of all cases show metastases.
More people die of lung cancer than of colon, breast, and prostate cancers combined.

In 2004, there will be an estimated 173,770 new cases of lung cancer in the United States: 93,110 cases among men and 80,660 among women, according to the American Cancer Society.
An estimated 160,400 deaths, accounting for about 30% of all cancer deaths, are expected to occur in 2004.

2) Risk factors:
- smoking, or exposure to tobacco's effects: smoking is - either active: people smoke; - or passive: people close to smokers: the risk lies in breathing the others' smoke. The risk is higher with cigarettes than cigars and pipe.
- exposure to industrial risks: asbestos is the most common known; radon gas, cadmium, nickel, industrial chemicals, tars, soots.
- exposure to important atmospheric pollution. And risks of cancer augment significantly when smokers are exposed to these industrial risks and pollution.
- there are probably genetic predispositions: only one smoker out of ten will develop a lung cancer, not the nine other ones.

3) Cancer development: lung cancer is divided into two main types: the "small cells lung cancers" (SCLC), and the "non-small cells lung cancers" (NSCLC); respectively 25% and 75%.
The malignant growth is brought upon by lung cells that are victims of a deregulation of their growth factors. This deregulation comes from genetic abnormalities of suppressive tumor genes (anti-oncogenes). Metastases, when they occur, will be on bones, liver, brain.

4) Symptoms:
- blood in sputum: hemoptysis;
- chronic cough;
- broncho-pulmonary infection that does not heal with treatment;
- hoarseness, weakness, weight loss;
- bone pain, back pain, pleural effusion.

5) Detection-Diagnosis of lung cancer:
- chest X-ray remains important, but often too late; low dose/high resolution CT screening should be regularly performed.
- fibroscopy, allowing biopsies;
- chest scan, upper abdomen scan, bone scan, brain scan; and Petscan (Positron Emission Tomography);
- CT guided needle aspiration, for any peripheral tumoral lump;
- sputum cytology.

But the most effective strategy includes :
1) ultrafast EBT body scanner, EBT better than more common spiral CT scans because extremely low radiation, (as performed by our partners :
-"Colorado Heart & Body Imaging", CO, Denver, USA,,
-"Lifescore", CA, San Diego, USA,,
-and the "Monaco Life Check Center", Monaco,, EBT combines low radiation, high speed and high resolution to create unique pictures of the head, neck, chest and abdomen),
2) and cancer check-up blood test CancersafeŽtest.

6) Treatment of lung cancer:
- surgery: specific to localized tumors. NEW : a procedure of surgery (from Lyall Gorenstein, MD, NewYork-Presbyterian) involves the removal of a portion of lungs, then lymph glands, without spreading open the ribs or cuting large muscles, which occurs in traditional LC surgery. This "thoracoscopic" lobectomy allows patients to leave the hospital in half the time of conventional LC surgery : three or four day length of stay.
- radiation therapy: used as adjuvant treatment when surgery cannot be complete, and also in small tumors that cannot be relieved;
- chemotherapy: adjuvant treatment before or after surgery, especially in metastatic stages, because patients rapidly develop local or distal metastases;
- chemoradiation: in non-resectable forms;
- tumor marker dosages: absolutely essential: enabling simple treatment follow-up, especially during chemotherapy, and signalling the need to modify these treatments when new cell clones appear. Several tumoral cells types can coexist in one tumor in the case of lung cancer: an efficient chemotherapy on the dominant cell clone can destroy this particular type, but could select an other one that would then become dominating: during such treatment tumor marker utilisation is an essential element of monitoring: NSE and Cyfra 21-1 are of the utmost importance.

7) Post-treatment follow-up:
- radiographic studies;
- tumor marker dosages: the upswing of one or several tumor marker values can occur several months before relapse. This follow-up has to take place every month, then every three months.

8) Prevention: NO SMOKING. Smoking cessation lowers lung cancer risk after 10 years.
Low dose/high resolution CT screening, combined with tumor markers assays (especially Cyfra 21-1 and NSE, as offered in CancersafeŽtest), should largely improve the lung cancer prognosis.

The above-mentioned tumor markers are part of the CancersafeŽtest; performing this panel once a year is highly recommended.

CancersafeŽ has just developped its new website,, intended to smokers.

Cancer can be detected : do it NOW.

CancersafeŽtest : Earth's biggest test for cancer detection.

Last news : Cancersafe will handle out shortly on express request the new "MesoMarkŽ", from Fujirebio Diagnostics, test specially designed for mesothelioma. Not available in the US, performed by very few laboratories in the world. Use our contact us form to get details.

Cancersafe® test
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