ACCRUED EXPENSES AND OTHER LIABILITIES - Schedule of Accrued Expenses and Other Liabilities (Details) ¥ in Thousands, $ in Thousands	Dec. 31, 2021 CNY (¥)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 CNY (¥)
ACCRUED EXPENSES AND OTHER LIABILITIES
Accrued expenses	¥ 121,149	$ 19,011	¥ 99,920
Salaries and welfare payable	42,628	6,689	24,701
Business and other taxes payable	20,954	3,288	8,396
Payable to acquire the non-controlling interests of CCM(HK)			25,166
MD Anderson consulting fee payable			20,391
Acquisition payable for investment in CMCC			11,863
Contractual liabilities	81,032	12,716	87,740
Other payables	116,414	18,268	51,913
Total	¥ 382,177	$ 59,972	¥ 330,090

The carrying amount of acquisition payable for investment in CMCC.

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- Definition

Carrying amount of the unpaid portion of the consulting fee payable.

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Amount of payables as of the balance sheet date for acquisition of non-controlling interests, classified as current.

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Amount of expenses incurred but not yet paid nor invoiced, and liabilities classified as other.

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.

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Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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