Not sure if it’s a sac or core? Popped this out of my boil on my thigh last night. Never had one like it. I have HS. It was rubbery and firm

46 13

62 42

33 10

47 43

45 12

66 48

135 25

37 42

209 44

444 48

36 21

60 43

91 56

45 45

23 11