COPIAPO, Chile (CNN) -  Most of the 33 recently rescued miners in Chile may be released from the hospital Thursday afternoon, a hospital official said.

Dr. Jorge Montes, assistant director of the Copiapo Hospital, said the miners generally are doing quite well. Some of the men suffered skin conditions, which was expected, given the high temperature and humidity in which they lived for the last two months.

Three miners had dental surgeries on Wednesday and are doing well, the doctor said, and another miner with an ulcer to the retina in one of  his eyes was successfully treated but the lesion may take some time to heal.
"All of them were subjected to high levels of stress.  The majority has endured it in a noteworthy manner.  Some are suffering from minor complications, but nothing to worry about," Montes said.  "They are happy after having spent a good night."

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