Who has control over an illness like cancer..?

First of all do not take the Lady seriously and i do not say that to be mean but she honestly sounds like a kook.I lost my wife to Cancer and 2 times she received the prayer and anointing with oil for the sick but our Priest told us the most important thing of all.He told her straight up that his prayer was for healing both the body and soul and the Soul was by far the most important as it would some day face eternity. So always when you pray ,pray for also your Fathers Soul and his Doctors to reach the correct decisions.Also even tho your worried and upset do not blame God for his illness but thank God for the life he gave so you would have life.