There is a bag behind the ear, which is painless and has nothing to squeeze out for a month.
If there is no discomfort, it is recommended that you can observe it temporarily. It is best to go to the hospital to check the color Doppler ultrasound of a superficial part. If it is the lymph node behind the ear, there is generally no intervention. If there is swelling, you can take some antibiotics and ready-for-use traditional Chinese medicine with heat-clearing and detoxifying effects properly!
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