AUDIO: Proton beam therapy toddler 'doing well'
Raluca Vinson's son Alexander was diagnosed with a rare brain tumour in July 2015 and, at just two years of age, the toddler underwent proton beam therapy.Raluca Vinson's son Alexander was diagnosed with a rare brain tumour in July 2015 and, at just two years of age, the toddler underwent proton beam therapy.