Hypogastric Plexus Block and Ganglion Impar Block for Cervical and Endometrial Cancer Pain Management

Inclusion Criteria: * Unbearable cancer pain that is resistant to WHO (World Health Organization) pain ladder at least 2 weeks medication * The patient is tired of taking medication orally or complications of current medication (respiratory depression, nausea, vomiting, opioid-induced constipation, gastrointestinal disturbances) * Patients with pelvic floor pain diagnosed by a (Fellow of Interventional Pain Practice) FIPP-certified pain specialist * Patients with pain in the perineum diagnosed by a FIPP-certified pain specialist * Numerical Rating Scale \>4 * \>18 years old * Able and willing to sign an informed consent Exclusion Criteria: * Refuse to be included in the research * Blood clotting disorders (including taking anticoagulant drugs) * Local infection in the area of action * Loss to follow up Drop-out Criteria: * Loss to follow up * Intervention complications occur * Failed intervention