A tumor is 19.5 cm down from middle of a knee and 24.5 cm from a heel.It was originally 0.5 cm,and first it was frozen,but it remained.A piece 0.5x0.4x0.1 cm was cut ,send to lab.Dermatologist sent referal to surgeon,I need to wait 3 mo.fo the surgery.I am 79 years old. Thank you.