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Cancer
Introduction According to Mollet, cancer is the second leading cause of death in the United States. Estimates for 1982 indicate that 430,000 Americans will have died of some form of cancer. If national trends continue, some fifty-three million Americans now alive will contract cancer sometime during their lifetime. Of this inverse number, approximately one-half will die of cancer despite a medical effort to cure and prevent cancer (300). Although 45 percent of the detected cases of serious cancer are curable, an increase of 5 percent in the last ten years, it is obvious that measures can be taken to increase the cure rate and also prevent onset of various cancers. Clark suggested that several types of cancer have cure rates that could improve by detection and treatment at an early stage before "regional involvement" occurs; that is before the disease spreads to lympnodes systems in the area of the original tumor. After cancerous cell have dispersed into other regions of the body, the control or termination of cancer is made more difficult, if not impossible (56). The Most Prevalent Cancers and Their Causes. Effects, and Cures. According to Miller, lung cancer was first clearly described about 150 years ago and at the turn of the century this disease was still considered a rarity. The incidence of this disease has changed dramatically since then; lung cancer is now the leading cause of death for both men and women. The failure to detect lung cancer early, however, remains just as dramatically unchanged and the majority of patients with lung cancer have extensive diseases at the time of diagnosis (77). Symptoms Roth states that lung cancer has no specific symptoms and after foreign respiratory elements. In fact, in the earliest stages of the disease there are usually no symptoms. Only ten per cent of lung cancer patients have been diagnosed from routine chest x-rays as a part of a physical examination o... Please login to view comments from other users.
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