Discuss the different neoplasms which may arise in the lung. Discuss their staging and grading with regard to prognosis and treatment. Are there any promising new treatment modalities?

Introduction

The impact of lung malignant neoplastic disease in our society cannot be denied. consort to www.mydr.com.au Lung crabby person is the leading cause of cancer death in Australia and most other Western industrialized countries. One in 28 Australians will develop lung cancer by the mature of 75, and about 6,700 Australians die from lung cancer each year. Lung cancer is one of the more difficult cancers to detect at its early on stages and is one of the more difficult cancers to cure. However on a lower floorstanding the opposite neoplasms arising in the lung, as well as their staging and equalisation with regard to prognosis, has lead to some promising new preaching modalities.

Neoplasms of the lung

Neoplasia liter on the wholey means new increment. It is a process which causes uncontrolled unnatural growth of create from raw material. Such tissue serves no useful rifle and does not coordinate with other body tissues. The mass of tissue formed by neoplasia is a neoplasm van de Mortel (1998:29). Lung cancer is a primary malignant neoplasm occurring in the bronchus, trachea or lung tissue. Most originate in the lining of the bronchi and atomic number 18 caused by exposure to environmental carcinogens, predominantly tobacco smoke.

At least(prenominal) 12 different cellphone types of tumors are included under the broad heading of lung cancer. For clinical and therapeutic reasons however, lung cancers are oftentimes classified as small cell cancers and non small cancers.



McCance & vitamin A; Huether (2002:1136-1139), outline these neoplasms as follows.

Non-Small Cell Lung Cancer

NSCLC account for 75 per-cent of all lung cancers, they affect the cells that line the main bronchi. Some of the different types of non-small cancer include squamous cell carcinoma, adenocarcinoma and large cell carcinoma.

Squamous cell carcinoma

Squamous cell carcinoma accounts for about 30 per-cent of bronchogenic carcinomas. Almost always associated with smoking, their growth rate is slow and metastasis...

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