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ulcer (medical)
swelling and ulceration
skin ulcer; sore
pus-filled sore; abscess
He was hospitalized due to a stomach ulcer.
His wound developed swelling and ulceration, requiring timely treatment.
He has an abscess on his leg that needs timely treatment.
The doctor said the sore on his leg needs timely treatment.
This medicine can relieve the pain of mouth ulcers.
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Characters pronounced "yang".
Characters with radical "疒".