english: Cancer cells mutate, and they gain the ability to release lots of those angiogenic factors, natural fertilizer, that tip the balance in favor of blood vessels invading the cancer.
non_english: Ćelije raka mutiraju i stiču sposobnost da otpuštaju mnoge od ovih angiogenskih faktora, prirodnog đubriva, koji remete ravnotežu u korist krvnih sudova prodirući u rak.