acral lentiginous melanoma
noun [ C or U ] medical specialized uk/??k.r?l len.t?.d??.n?s mel.??n??.m?/ us/??k.r?l len?t?d?.?.n?s ?mel.??no?.m?/
肢端黑色素瘤(一种罕见皮肤癌,主要发生在手掌、足底、指趾尖等部位)
a rare type of skin cancer that is usually found on the palm of the hand, on the sole of the foot, or under the fingernails or toenails


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