Figure 4From: An open cohort study of bone metastasis incidence following surgery in breast cancer patients Bone Metastasis Free Fraction Curves of Invasive Breast Cancer Patients with and without Lymph Nodal Metastasis. Bone metastasis free fractions are shown for patients with pathological lymph node metastasis (black step-like line) and without (gray step-like line). Oblique straight lines indicate 3% per person-year (solid) and 1% per person-year (dotted) lines.Back to article page