There are some weird lumps on a street dog he came to me and gave him water but i saw he was bit of wounded i want to ask u is this thing cancerous or not or dangerous

最佳回答：

First Picture: Sorry but I cannot see any wound fro the picture (please post another one).
Second pic: This is a tick. Please follow this link to learn how to remove it properly. petcoach.co/article/how-to-remove-a-tick/
Third pic: this look like a nipple, so nothing to be worried about.
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