Cancer occurs when cells in the body divide without control or
order. If cells keep dividing uncontrollably, a mass of tissue
forms. This is called a growth or tumor. The term cancer refers
to malignant tumors. They can invade nearby tissue and spread to
other parts of the body. Lung cancer is a disease in which
cancer cells grow in the lungs. There are two types of lung
cancers: - Non-small cell lung cancer—generally grows and
spreads more slowly (more common form) - Small cell lung
cancer—generally grows more quickly and is more likely to spread
to other parts of the body Copyright © Nucleus Medical Media,
Inc. Once lung cancer is found, staging tests are done to find
out if the cancer has spread. The goal of treatment is to
eliminate the cancer and/or control the symptoms. Surgery
involves removing the tumor and nearby tissue. Lymph nodes may
also need to be removed. The type of surgery depends on the
location of the tumor, such as: - Segmental or wedge
resection—removal of only a small part of the lung Lo