Chinese Elm started oozing sap from trunk

#1

I noticed my Chinese Elm started oozing sap from what looks like a horizontal split in the trunk. What causes this? Is this bad for the tree and what can I do to fix it? Its attracting ants as well. Thanks in advance.

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20190811_193924.jpg3024×4032 2.3 MB

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#2

Hi @ShawnT72
This may be a type of canker, which is a fugal infection.

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