In the scalar Soliton model of QCD the gluon field operators are replaced by a
classical selfcoupling scalar field with solitontype interaction. The quark
wave-functions and the soliton field are calculated for the free nucleon as
compared to a nucleon inside nuclear matter approximated by averaged boundary
conditions to simulate the surrounding nucleons. The mass of the nucleon as
well as its mean effective radius are given in terms of the nuclear-matter
density and the model parameters. For large quark-soliton coupling the
EMC-effect is seen, and then at high densities a plasma of free quarks and free
localized solitons is the lowest energy solution.