go through
www.ucas.com and view the list of universities offereing medicine
If he is a citizen of Ukraine, he will only have to pay £3000 tuition fees, but the cost of living is a bit on the high side especially as a medical student in the UK
If he is applying as an international student it will be quite difficult in terms of admission- very rigorous application process
plus over £8,000 tuition fees.
some links: immigrations :
http://www.ukcosa.org.uk/images/before_leaving.pdf fees :
http://www.ukcosa.org.uk/images/fees.pdf