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OTHER NON-CURRENT ASSETS - Additional information (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
OTHER NON-CURRENT ASSETS      
Deposit - long term, impairment loss ¥ 19 $ (2)  
Advance to hospitals-non current, impairment loss 102 15 ¥ 0
Other ¥ 797 $ 116 ¥ 361