The term lung cancer is also referred to as lung carcinoma. A person suffers from lung carcinoma when a malignant tumor forms in the lungs. These tumors grow in the lungs with an endless multiplication of the cells in the tissues of the lungs. Most of all the cancers that are formed in the lungs are called primary lung cancers. These primary lung cancer tumors are the carcinomas. There are two main types in lung cancer. The two main types of lung cancers are as follows: small cell lung carcinoma (SCLC) and non-small cell lung carcinoma (NSCLC). There are quite few common symptoms a person has to look out for when he or she feels that he or she is suffering from lung cancer. Few of the most common symptoms are shortness of breath, weight loss, difficulty in breathing accompanied with frequent chest pains.
Medical statistics have proved that people who are regular consumers of tobacco and alcohol have higher risks of suffering from lung cancer. Smoking is one of the main reasons of lung cancer. When a person inhales the harmful smoke out the tobacco leaves, the toxic fumes get inside the body of the person and it starts depositing on the lungs of the person. When the person smokes on a regular basis, the smoke starts getting accumulated on the lungs slowly and it forms a thick layer of toxic substance over the lungs and this slowly leads to the formation of malignant tumors in the lungs. By- Pujha Ramesh
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