Flowers have a magical ways of healing and make us feel better, especially yellow flower which represent joy and lightheartedness. That is exactly what you need on your "I have cancer, now what journey."
It is custom in Europe to have fresh flowers in the home, for they know how the presence of flowers change the energy in the household. Benefits are, better communications, physically feeling more relaxed and there is less mental, emotional and physical stress . Their homes are a sanctuary to relax and come back to after a busy day at work.
When we are sick with any disease, having fresh flowers will benefit your well being, so pick some fresh flowers from your garden or buy a bunch of flowers at the store or from your local florist.