hi,thanks for query.It is important to know whether he is on any medication like blood thinner at present or not.If yes then you need to see your doctor and get him examined.In other case if he is not any medication,just wait and watch.If this spreads or increase in size then please see your doctor.At times some changes in color producing cells can lead to this.
wishing him good health.
Answered: Thu, 1 Sep 2011
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