Active surveillance (AS) with the possibility of delayed intervention (DI) is emerging as a safe alternative to immediate intervention for many patients with small renal masses (SRMs). However, limited comparative data exist to inform the most appropriate management strategy for SRMs.

中文翻译：

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小肾肿块的主动监测与即时干预：成本效益和临床决策分析。

具有延迟干预 (DI) 可能性的主动监测 (AS) 正在成为许多小肾肿块 (SRM) 患者立即干预的安全替代方案。然而，有限的比较数据可以为 SRM 提供最合适的管理策略。