Author

Ying-Da Xia

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Open access Sep 2026

Large-scale esophageal cancer screening through noncontrast computed tomography and artificial intelligence.

The absence of accurate, noninvasive, scalable screening tools keeps early esophageal cancer (EC) detection a global health challenge. Although noncontrast computed tomography (NC CT) is widely accessible, the esophagus is a hollow tubular structure prone to collapse and motion artifacts, making small early malignant l...

Jian Zhou, Guangyu Guo, Jia-Wen Yao et al. · Nature Medicine · 0 citations

Preprint Aug 2026

EndoVLM: An Endoscopy Vision-Language Pre-training Model via Anatomy-Guided Sparsity and Progressive Alignment

EndoVLM is presented, a novel vision-language FM pre-trained on over 348K endoscopic examinations, each pairing a clinical report with its corresponding image collection, which outperforms existing foundation models and remains competitive with task-specific methods.

Zhen-Yu Yi, Jian-Wei Xu, Yue Hu et al. · 0 citations

Preprint Aug 2026

SeVeR: Selective Visual Exposure and Retrieval for 3D Medical Image Question Answering

SeVeR is proposed, a selective visual exposure framework that compresses dense volumes into modality-wise prototypes and retrieves complementary multi-level evidence with change-aware gated attention during decoding, trained with a marginal-utility self-consistency objective that suppresses unhelpful retrieval.

Yao-Jun Hu, Danyang Tu, Yang Liu et al. · 0 citations