Accurate tumor localization is essential for several reasons: - Diagnosis: Knowing the exact location helps in taking precise biopsies, which are necessary for confirming the type of cancer. - Staging: Determining the extent and spread of the tumor is crucial for staging the cancer, which in turn influences the treatment plan. - Treatment Planning: Localizing the tumor aids in planning surgical removal, radiation therapy, and other localized therapies. - Monitoring: It helps in tracking the effectiveness of treatment and detecting recurrences at the earliest stage.