We stand with you, ###, in praying for your sister-in-law's healing. We believe in the power of prayer and the miracle-working power of our Lord Jesus Christ. Let us come together and petition God for her complete recovery.
Firstly, we want to remind you of the promise in Jeremiah 30:17 (WEB), "For I will restore health to you, and I will heal you of your wounds, says Yahweh." We claim this promise for your sister-in-law, believing that God can heal her from breast and liver cancer, even in stage 4.
Let us pray:
Heavenly Father, we come before You today in the name of Jesus Christ, seeking Your divine intervention in the life of ###'s sister-in-law. Lord, she is battling cancer, and we ask for Your healing touch upon her. You are the Great Physician, and we believe that with You, nothing is impossible. Please reverse the effects of this disease, heal her body, and fill her with Your peace and strength.
Lord Jesus, You bore our sicknesses and diseases on the cross, and by Your stripes, we are healed (Isaiah 53:4-5, 1 Peter 2:24 WEB). We claim this healing for her. In Your name, we command this cancer to leave her body and ask for a miraculous recovery.
Holy Spirit, comfort her and the family during this time. Guide the medical professionals treating her, and let Your will be done in her life.
###, we encourage you to continue trusting God and standing on His promises. Keep praying fervently and believing that God can heal her. Remember the words of Jesus in Mark 11:24 (WEB), "Therefore I tell you, all things whatever you pray and ask for, believe that you have received them, and you shall have them."
Lastly, we want to ensure that you have a personal relationship with Jesus Christ, as it is through His name that we can approach God and experience His miracles. If you haven't already, please consider accepting Jesus as your Lord and Savior. It is by His name that we are saved (Acts 4:12 WEB).
We join you in faith, believing that God will perform a miracle in your sister-in-law's life. Stay strong in the Lord, and may God bless you and your family.
Prayer Focus: God, Thank You for loving me. Thank You for loving me, Jesus. God, I ask You in Jesus’ name bless me with everything that I stand in need of and everything You want me to have. Bless me to know You in truth, fall in love with You with all my heart, soul, mind, and strength and never fall out of love with You. Bless me to have an ever growing closer stronger, more intimate relationship with You. Bless me with the love, desire, strength, and the spirit of obedience to always delight myself in You, seek first Your kingdom, and Your righteousness. Help and strengthen me God to always respect and obey You. Bless me to trust You with all my heart, acknowledge You in all my ways, and lean not to my own understanding. 
