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Figure 1 | Head & Neck Oncology

Figure 1

From: A retrospective, deformable registration analysis of the impact of PET-CT planning on patterns of failure in stereotactic body radiation therapy for recurrent head and neck cancer

Figure 1

Examples of categories of failure. Pre-treatment scans (left) are fused to post-treatment scans demonstrating recurrence (right). Recurrent tumors are contoured, compared to deformed PTVs (red), and categorized. A–In-field (blue) and regional (yellow) failure. B–Overlap failures (blue, yellow). C–Marginal failure (blue).

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Head & Neck Oncology

ISSN: 1758-3284