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Overall survival (OS) of patients with cancer-related pericardial effusion. (a) Overall survival (OS) according to evidence of pericardial metastasis on preoperative imaging. Solid line: evidence of pericardial metastasis (n = 20); dashed line: no evidence of pericardial metastasis (n = 35). (b) OS according to cytopathologic confirmation of malignancy. Solid line, confirmation (n = 34); dashed line, no confirmation (n = 21).
