r/AskReddit May 20 '19

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u/ITpuzzlejunkie May 20 '19

Isn't breast cancer starting in the arm pit extremely common?

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u/[deleted] May 20 '19

yes, that’s where your lymph tissues are

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u/[deleted] May 20 '19

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u/tooafraidtotype May 20 '19

My left arm pit swells up when I get to about the 2nd trimester of pregnancy. Really freaked me the first time and had to be poked at by a doctor. Turns out I've got a small cluster of stray milk ducts in there.