Back pain is a cancer disease.
呀,出错误了!再试下吧。
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back; dorsum; dorsal; posterior
ache; hurt; trouble; kill; irritate; pain; soreness; suffering; discomfort; irritation; painful; sore; aching; tender; painfully; in pain; with pain
illness; disease; ailment; sickness; disorder; medical condition; malady; affliction; syndrome