set size 0.5,0.5
set terminal postscript eps "Helvetica" 11
set output 'bcfss-4.eps'
set key left top box
set title 'Breast Cancer (4, 8%)'
set ytics 500
set xtics 200
set xlabel "x"
set ylabel "position"
plot "resultsbcfss-4.dat" using 1:2 title "before(56, 44)" with lines, \
 "resultsbcfss-4.dat" using 1:3 title "after(70, 30)" with lines