zhī fáng liú / tōng cháng / bù tòng bù yǎng / dàn / zhǎng dà / shí / xū yào / qiē chú脂肪瘤通常不痛不痒,但长大时需要切除。A lipoma is usually painless and itchless, but it needs to be removed when it grows larger.