• Stage 0: In stage 0 throat cancer; cancerous tumor has not breached the epithelial or upper cell lining. Such cancer does not spread to the lymph nodes and has not metastasized to any distant parts of the body.
  • Stage 1: In stage 1 throat cancer; the tumors are smaller than 2 cms in size.
  • Stage 2: In stage 2 throat cancer; the tumors are larger than 2 cms and less than 4 cms in size. It might have grown into more than one part of the throat, but it has not started invading nearby tissues.
  • Stage 3: In stage 3 throat cancer; the disease has spread to a single lymph node which is less than 3 cms in size.
  • The tumor size is usually larger than 4 cm. They have started to invade neighboring cells.
  • Stage 4: In stage 4 throat cancer, the tumor size is usually pretty large; more than 6 cms