Warning: This article includes content some readers may find disturbing When a little girl’s rib cage and abdominal muscles did not form properly in the utero, doctors feared she may not survive to full term or through birth. However, the now-pre-teen who has her heart developed out of her chest has defied her prognosis. Now 11, Virsaviya Borun-Goncharova from Florida is thriving, and is quite literally “one in a million.” The extremely rare condition that Virsaviya suffers from is called Pentalogy of Cantrell. While not chronically painful, the condition is not without risks. According to the National Organization for Rare Disorders (NORD), Pentalogy of Cantrell affects 5.5 in 1 million live births, and 64 percent of babies born with the condition die within days of being born. “Doctors told me that my daughter would die during pregnancy or during the birth,” Virsaviya’s mother, Dari Borun, 31, said according to 7 News. “She truly is …