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Saratani
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Kwa kundinyota yenye jina hili angalia Saratani (kundinyota)
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Saratani (kutoka Kiarabu سرطان, sartan) au kansa (kutoka Kiingereza cancer) ni aina za ugonjwa unaotokana na seli za mwili zinazoanza kujigawa yaani kukua bila utaratibu na bila mwisho.