What supplications, Quranic verses and deeds can help my sister, who has cancer, to recover, and support her emotionally?

We hope for healing for the sister, and we inform you that specialists in ruqyah (definition) and natural medicine mention the possibility of treating cancer, based on the saying of the Prophet, peace and blessings be upon him: "Seek medical treatment, for Allah, the Almighty, has not created a disease without creating a cure for it, except for one disease: old age." Therefore, you should seek treatment for the sister and support her psychologically by giving her good tidings about the virtue of the supplication of the sick person and the visitor, and the possibility of healing through treatment, legitimate ruqyah, supplication, charity, Zamzam water, honey, and black seed, in addition to the reward of the afflicted and the expiation of their sins. We advise consulting specialists in ruqyah, psychotherapy, and natural medicine.