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Optimal duration of endocrine therapy (ET).
The figure summarizes the evidence derived from clinical studies: the optimal duration of ET in different patient settings. Treatment options are those currently available for the first 5 years. High-risk patients are those who might require an extended treatment and their characteristics are defined in the text.
AI, aromatase inhibitor; LHRHa, luteinizing hormone-releasing hormone agonist; TAM, tamoxifen.
