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Kaplan–Meier plot showing survival of patients diagnosed with osteosarcoma with pulmonary metastases where reccurrence is ipsilateral vs. contralateral. The log rank test p-value for the difference between the survival rates in these groups is 0.34. Point estimates and 95% CIs for survival for ipsilateral and contralateral recurrence, respectively, after 2 years are 0.35 (0.10, 0.60) and 0.62 (0.43, 0.82) and after 5 years are 0.35 (0.00, 0.74) and 0.28 (0.01, 0.55).
