After CW3, the next level of the Warrant Officer ranks is Chief Warrant Officer 4 (CW4). CW4's stand even more experienced tactical and technical experts in their specific military craft than CW3's.
Cancer is a disease in which cells in the body grow out of control. When cancer starts in the lungs, it is called lung cancer. Lung cancer begins in the lungs and may spread to lymph nodes or other organs in the body, such as the brain. Cancer from other organs also may spread to the lungs.When cancer cells spread from one organ to another, they are called metastases.ung cancer begins in the lungs and may spread to lymph nodes or other organs in the body, such as the brain. Cancer from other organs also may spread to the lungs.
What is Chest Infection. A chest infection is an infection of the airways leading down to the lungs, or an infection in the lungs themselves. 'Chest infection' is a general term that covers a number of conditions, including pneumonia and bronchitis.ymptoms of adult chest infection. The symptoms of acute bronchitis and pneumonia can be similar-for example, a cough that brings up phlegm (thick mucus), and a high temperature. However, the key difference between the symptoms of acute bronchitis and pneumonia is that pneumonia is more severe.