Suggest Treatment For Pain In Breast And Under Arm

my mother age -46,height-5.5m,weight-64kg, on may 5 my mother admit in hospital for treatment as normal pain in breast&right underarm. But doctor said us guilty in breast and extent to rightunderarm. They removed right breast and all underarm material were it extent due to which right arm is to take more care from injection,any treatment. After that dr. Said us for 5 or 6 times chemo radiation to save from future guilty chance. 2 chemo radiation are done report are fine but, we don't know about proper die chart. Treatment is going in indus hospital at mohali in punjab.