The first type is destruction (ablation) of the abnormal area, and the second type is removal (resection). Both types of treatment cure 90% of patients with dysplasia, meaning that 10% of women will have a recurrence of their abnormality after treatment.
On September 1, 1939, Hitler invaded Poland from the west; two days later, France and Britain declared war on Germany, beginning World War II. On September 17, Soviet troops invaded Poland from the east.
WWI began in 1914 with the assassination of the Austrian Archduke Ferdinand in Croatia and ended with the treaty of Versailles in 1918. WWII began in Europe in 1939 with the invasion of Poland and earlier in the Pacific with the Japanese invasion of China.