The "Law & Order: Special Victims Unit" star was hospitalized in December and January for a collapsed lung. The 45-year-old actress reportedly went back into the hospital this week after experiencing chest pains on the New York set of her police drama.
"Mariska Hargitay went to the hospital this morning after experiencing some discomfort relating to her earlier lung condition," her publicist told Usmagazine.com Wednesday. "She is undergoing routine tests and expects to be feeling better soon."
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