It is also referred to as the â4 Psâ âProduct, Price, Promotion and Place, or theâ7 Psâ â the 4 Ps with the addition ofPeople, Process and Physical Evidence,also called the extended marketing mix.
Why the inflammation continues is not always known. Chronic inflammation may be caused by infections that donât go away, abnormal immune reactions to normal tissues, or conditions such as obesity. Over time, chronic inflammation can cause DNA damage and lead to cancer.hronic Inflammation. Inflammation is a normal physiological response that causes injured tissue to heal. An inflammatory process starts when chemicals are released by the damaged tissue.
Passive exposure to tobacco smoke (passive smoking) also can cause lung cancer. The two types of lung cancer, which grow and spread differently, are small cell lung cancers (SCLC) and non-small cell lung cancers (NSCLC). The stage of lung cancer refers to the extent to which the cancer has spread in the body.