Oksana Masters, the most decorated U.S. Winter Paralympian of all time, told CBS News that "my cheeks are hurting from smiling" after winning three gold medals in Milan. "I feel like I'm on top of the world," Masters said. "I am shocked." Masters took home her 20th medal after placing first in the women's sprint sitting discipline in the Para biathalon on March 7. She also earned two more medals — her 21st and 22nd — in Para cross-country skiing events. She won both races, bringing her career gold medal tally to 12. Masters has one race left at the 2026 Winter Games. Masters' season was marred by surgery, a bone infection and concussion, but she told CBS News that her childhood as an orphan in Ukraine gave her the resilience needed to persevere in the world of competitive sports. Masters was adopted by an American couple when she was 7 years old. She later had her legs amputated due to radiation exposure from the Chernobyl disaster.…