筋腫 is read as きんしゅ (kinshu) and means myoma.
きんしゅ
kinshu
しきゅうきんしゅ
fibroid
すじ
(Edo period) counter for hundreds of mon (obsolete unit of currency)
きんにく
muscle
すじみち
reason
すじちがい
illogical
きんりょく
physical strength
すじがき
synopsis
すじがね
a metal reinforcement
すじあい
きんにくしつ
lean (of a company's operations, etc.)
すじがねいり
metal reinforcement
すじこ
salted salmon roe