In fact, the reason why 80 to 90 percent of those brain cancer surgeries ultimately fail is because of those small little extra margins that were left positive, those small little leftover tumors that were left there.
Кстати, от 80 до 90% операций по удалению рака мозга не имеют успеха из-за оставленных внутри поражённых краёв прилегающих тканей с крохотными остатками опухоли.