Squamous cell carcinoma is the most common type of lung cancer in men. This cancer forms in the lining of the bronchial tubes. Adenocarcinoma is the most common types of lung cancer in women and nonsmokers. It forms in the mucus-producing glands of the lungs. Bronchioalveolar carcinoma is a rare types of cancer that forms near the lungs’ air sacs. Large-cell undifferentiated carcinoma is a rapid growing cancer that forms near the outer edges or on the surface of the lungs. Small cell lung cancer multiplies faster than non-small cell cancer and form tumors. Most small cell lung cancers are due to …show more content…
These growths are often called polyps. The two main types of polyps are Adenomatous polyps and hyperplastic polyps and inflammatory polyps. Adenomatous polyps are considered pre-cancerous and are most likely to develop into cancer. Hyperplastic polyps and inflammatory polyps are not cancerous. They are more or less just an aggravation. However, doctor do believe that hyperplastic polyps may become pre-cancerous or be a sign that a person is more susceptible to this cancer. Another pre-cancerous condition of the colon or rectum is called dysplasia. This is an area in the lining of the colon that has abnormal cells. This disease left untreated can later develop into cancer.
Colon cancer can be very hard to detect early on because patients may have little to no symptoms. However, as the cancer grows the condition may become more noticeable. Some symptoms of colon/rectum cancer may be hard to distinguish from other diseases. People often get them confused with diseases like Irritable Bowel Syndrome, or IBS. These symptoms may include a change in bowel habits, like diarrhea or constipation, abdominal cramps, gas or pain, and unexpected weight loss. Some people also experience trouble emptying their colon and may have bloody