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Important malignant tissue structure of some, including the production of a significant amount of fluid channels and form lung adenocarcinoma, cancer and / or and / or lung cancer, including the molecular characteristics or cytological, histological common form is. Lung cancer, it is recognized by the revision of the fourth World Health Organization (WHO), and the seed sub histologic more than 50 different, in the heterogeneous family extremely malignant neoplasm, the system most widely used for classification of lung cancer scheme is now, I will determine the type. These variations, because they have clinical characteristics genetic, biological and variety, including response to treatment, the correct classification of lung cancer cases, in order to ensure that the patient’s lungs are optimal control it is needed. Small pulmonary ratio is a hematopoietic origin or germ cell tumor or sarcoma primarily, is that it is composed of epithelial cells with tumor characteristics is about 98 percent of lung cancer. It is one of the eight main groups lung cancer recognized in the WHO-2004 (for ADC) adenocarcinoma.

Adenocarcinoma is the most common type of lung cancer in non smoking overall. As it has become (exchange of squamous cell carcinoma of the lung) lung cancer of smokers, and the most common type of medical nonsmokers.According of life, the incidence increased in many Western countries in recent decades sisters health survey you have, as compared to the period of more than a smoker never significantly, giving a relative risk of about 2.4 risk of lung adenocarcinoma, a long period of smoking to smoking and 40 30 before period I results in a relative risk 40, about 5 has increased later.

Adenocarcinoma accounts for about 40% of the lung. When compared small cell lung cancer, and squamous cell carcinoma of the lung, both disposed near the center, it may occur as a central lesion, but this is usually seen, cancer, peripheral lung. For reasons unknown, I occur in the peripheral lung scarring often. The current theory, scratches, is that it has generated in the secondary tumor perhaps, but it does not cause cancer. Adenocarcinoma, non-smokers and the most common type of lung cancer has increased the incidence of smoking have been observed in women. Peripheral location of lung cancer due to the use of tobacco filter to prevent large particles more, from entering the lungs. In general, adenocarcinoma grow more slowly, I will form a small chunk of the other subtypes. However, there is a tendency to metastasize widely early them. Is adenocarcinoma small cell lung cancer, the lung, In it, not very sensitive to radiation therapy, such as small cell lung cancer were treated surgically, for example, due to lung or lobectomy.

80% is recognized at most of the tumor taken multiple components of these subtypes widely. In such a case, the tumor “subtypes adenocarcinoma, mixed” are classified fifth, “subtype”. The lung adenocarcinoma, tends as prepared by generating a gland mucus in the lung, mucin staining positive. As with adenocarcinoma of the other, (low grade), it looks like a normal gland structure if well-differentiated tumors. Poorly differentiated adenocarcinoma is opened by assuring them (producing glands) positive staining their for mucin (high-grade) and will not resemble normal gland.

It can be done in order to clarify the adenocarcinoma continuity of demonstration of solid deformation in the cell mucin production. Squamous metaplasia, and dysplasia of the occurrence can be present in the epithelium of the proximal adenocarcinoma, but they are precursor lesions to the tumor. Rather, the predecessor of peripheral adenocarcinoma, called (AAH) atypical adenomatous hyperplasia. Under the microscope, is limited the focus of the epidermal growth contains a column, such as a low type II lung cubic cell or Clara cell well AAH. They shows including hyperchromasia, polymorphism, a prominent nucleolus, the varying degrees of cellular atypia. However, atypical, in which, as seen in the Frank adenocarcinoma. Lesions of AAH is a monoclonal, they share, (such as KRAS mutations, for example) abnormality of many molecules that are associated with adenocarcinoma.

It is a common form in the second (after the squamous cell carcinoma) of Eastern Europe, adenocarcinoma is the most common type of lung cancer in most U.S., Japan and Western Europe. Adenocarcinoma is extremely heterogeneous tumor that occurs (acinar, papillary bronchioles, solid) as well as a rare variant of some organization of the major four architectures. In most cases, however, a mixture of variant or subtype of two or more, has been shown to be subdivided as follows: These lesions, “Cancer. Different subtypes of”

In China, the many smokers, there as a case of lung cancer in the world, acinar tissue structure model is a histological subtype most common adenocarcinoma, which accounts for about 40% of adenocarcinoma much, It is decades of fairly recent its incidence is increasing. In Europe, adenocarcinoma will be able to include the architecture model dominant in 50-60% degree of adenocarcinoma. Lung cancer is a disease very deadly. 5-year survival 22% and about 16%. Overall, survival was excellent in all phases (nipple) or bunch model of the patient as compared to patients with solid pattern rather but significantly worse than the bronchioloalveolar model. Survival rate was significantly better (ie, tube glands and / or have been developed more fully) than poorly differentiated when (simple gland ie) the cancer for patients with well-differentiated. In some studies, the Fez and cancer gene of H-Ras, to be an important driver of carcinogenesis of lung adenocarcinoma type of many has been shown.