American Health Services Corp.: The Newport Beach...

American Health Services Corp.: The Newport Beach operator of diagnostic imaging and radiosurgery treatment centers said it lost $454,175, or 3 cents a share, for the third quarter, contrasted with net income of $328,594, or 2 cents a share, for the 1991 third quarter. Revenue was down 9%, to $9.7 million from $10.7 million. For the first three quarters of 1992, the company incurred a net loss of $594,861, or 4 cents a share, on revenue of $28.9 million. Net income for the year-earlier period was $591,716, or 3 cents a share, on revenue of $31.6 million.