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  • Stage 1 : During this early stage, the tumor is limited to the upper layer of cells of the affected throat section.
  • Stage 2 : The tumor has spread to surrounding areas.
  • Stage 3 : It is the advanced stage during which the cancer has spread to distant organs.
  • Stage 4 : At this stage, the tumor spreads to the nearby lymph nodes.
  • Stage 5 : The tumor invades the inner layers and is limited to only the affected part of the throat.