situation, when they must leave her town. reporter: but having a child with cancer amid a cruel war is a hell no one should have to endure. single mom ina s 8-year-old son danilu was diagnosed with blood cancer on february 5th then the war started three days ago they fled the besieged city of kharkiv in an ambulance. bombs? everything translator: it was full-scale war everything was bombed. we were living in the basement all the time. what does it feel like as a mother to have all of this out of your control? i have to be strong, she says i ll do whatever it takes to get him the treatment he needs. but the logistics are complicated. dr. kozlova and her team staying in lviv are partnering with st. jude children s hospital to get children safely out of the country. our for ukraine, we cannot go to abroad. we must stay here. reporter: for ukraine and for brave