Cutting-edge developments in medical imaging are enhancing diagnostic precision and patient monitoring. Studies report improved liver vessel segmentation algorithms for surgical planning, novel 68Ga-FAPI-04 PET/CT tracers outperforming conventional CT in peritoneal metastasis detection, and wearable ultrasound devices enabling continuous tissue imaging. Additionally, AI-driven retinal imaging offers new insights into brain health, while advanced methods integrate HMM with EEG for detailed sleep stage analysis, broadening clinical capabilities.