Authors

Pedro R. A. S. Bassi

Publications 2

Preprint Open access

Merlin Plus: A Large-Scale, Multi-Cancer, Image-Mask-Report Dataset

Pedro R. A. S. Bassi, Wenxuan Li, Szymon Plotka et al. · 2026

Multi-cancer segmentation in computed tomography (CT) is fundamentally limited by the scarcity of tumor masks across different organs. We present Merlin Plus, the first large-scale CT dataset with radiologist-created tumor masks across 9 organs. Merlin Plus extends the Merlin dataset by adding 1,153 per-voxel tumor mas …

Preprint Open access

RT-Super: Learning Tumor Segmentation from Longitudinal Images and Reports

Pedro R. A. S. Bassi, Wenxuan Li, Hanxue Gu et al. · 2026

Multi-tumor segmentation is important for early cancer detection and allows radiologists to visualize, verify, and understand AI predictions. However, tumor segmentation masks are expensive, time-consuming, and unavailable for many tumor types in public data. Instead, hospitals have vast, readily available data that ca …

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