253 Effects 3

If the mass of cancerous cells within a population does not reach a biomass threshold of approximately one-thousand four-hundred kilograms (1400 kg/3100 lbs), the cells will overwhelm the host within five (5) days, resulting in death. If not transferred to a new host, the cancer cells will consume any remaining usable biomass of the host's corpse before finally running out of resources and dying.

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SCP-253