He noticed a nontender swelling appearing on and off in his right groin one week ago.

一星期以前,他发觉在右鼠蹊部,发生无压痛的肿胀,时起时消.

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However, slowly growing, nontender nodes may be indicative of either local or generalized malignancy.

然而, 缓慢增长 、 无痛性淋巴结可能提示局部或全身恶性肿瘤.

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