In cases where the cancer is locally advanced, meaning surgery is no longer feasible due to extensive disease spread, alternative strategies are employed. The focus shifts to reducing the size of the tumor before any surgical intervention. This is achieved through neoadjuvant chemotherapy, administered over a period of two to three months, typically in cycles of three weeks. https://sahyadrihospital.com/videos/radiation-therapy-oral-cavity-cancer-what-you-need-to-know/