Assertion: hs | /r/Causes | painful lumps
Facets:
Source sentences:
text: So let's get the basic definition out of the way: Once thought to be rare (more on that in a bit), HS is a chronic inflammatory illness that can cause painful lumps, open sores, and permanent scarring, often in the armpits, groin, buttocks, and under the breasts (really any place where the skin rubs together).