{"entity":{"id":"auto-contouring-ai","kind":"technology","name":"AI auto-contouring and adaptive planning","aka":[],"tldr":"Software that draws organs and tumours on scans automatically, saving hours per patient and making daily plan adaptation practical.","summary":"Deep-learning segmentation of organs at risk and targets (Limbus AI, MIM Software, TheraPanacea, Siemens AI-Rad Companion Organs RT, Varian Ethos and Elekta's ADMIRE, MVision, Carina) is now routine in radiotherapy departments and FDA-cleared for dozens of structures. Target-volume contouring remains physician-reviewed. Online adaptive radiotherapy (Ethos, Unity) depends on it to re-plan in minutes.","status":"established","asOf":"2026-09-08","links":[{"label":"Cardenas et al., Advances in auto-segmentation (Seminars in Radiation Oncology 2019)","url":"https://doi.org/10.1016/j.semradonc.2019.02.001"}],"tags":["supporting"],"related":[],"cancers":[],"sections":["radiation","ai-computation"],"technologies":["treatment-planning-systems","mr-linac","imrt-igrt"],"targets":[],"drugs":[],"companies":["limbus-ai","mim-software","therapanacea","siemens-healthineers","varian","mvision-ai"],"institutions":[],"pathways":[],"terms":[],"trials":[],"people":[],"bottlenecks":[],"keyPapers":["paper-cardenas-semin-radiat-oncol"],"journals":[],"dependsOn":["ai-compute-platforms"],"notes":[],"principle":"Convolutional and transformer networks trained on expert contours segment CT/MR; outputs are edited and approved by clinicians.","strengths":["Consistency across planners","Enables adaptive workflows"],"limitations":["Target delineation still needs experts","Domain shift across scanners and protocols","Liability and QA frameworks evolving"]},"route":"/technologies/auto-contouring-ai/","neighbours":{"section":[{"id":"ai-computation","kind":"section","name":"AI & Computation","route":"/fronts/ai-computation/"},{"id":"radiation","kind":"section","name":"Radiation Therapy","route":"/fronts/radiation/"}],"technology":[{"id":"adaptive-radiotherapy","kind":"technology","name":"Adaptive radiotherapy (online replanning)","route":"/technologies/adaptive-radiotherapy/"},{"id":"ai-compute-platforms","kind":"technology","name":"AI compute and model platforms for oncology","route":"/technologies/ai-compute-platforms/"},{"id":"imrt-igrt","kind":"technology","name":"IMRT / IGRT (modern external beam)","route":"/technologies/imrt-igrt/"},{"id":"knowledge-based-planning","kind":"technology","name":"Knowledge-based and automated treatment planning","route":"/technologies/knowledge-based-planning/"},{"id":"mr-linac","kind":"technology","name":"MR-guided adaptive radiotherapy","route":"/technologies/mr-linac/"},{"id":"treatment-planning-systems","kind":"technology","name":"Radiotherapy treatment planning and QA software","route":"/technologies/treatment-planning-systems/"},{"id":"ring-gantry-linac","kind":"technology","name":"Ring-gantry linacs (Halcyon, Ethos)","route":"/technologies/ring-gantry-linac/"}],"company":[{"id":"limbus-ai","kind":"company","name":"Limbus AI","route":"/companies/limbus-ai/"},{"id":"mim-software","kind":"company","name":"MIM Software (GE HealthCare)","route":"/companies/mim-software/"},{"id":"mvision-ai","kind":"company","name":"MVision AI","route":"/companies/mvision-ai/"},{"id":"raysearch","kind":"company","name":"RaySearch Laboratories","route":"/companies/raysearch/"},{"id":"siemens-healthineers","kind":"company","name":"Siemens Healthineers","route":"/companies/siemens-healthineers/"},{"id":"therapanacea","kind":"company","name":"TheraPanacea","route":"/companies/therapanacea/"},{"id":"varian","kind":"company","name":"Varian (Siemens Healthineers)","route":"/companies/varian/"}],"paper":[{"id":"paper-cardenas-semin-radiat-oncol","kind":"paper","name":"Advances in Auto-Segmentation","route":"/key-papers/paper-cardenas-semin-radiat-oncol/"}],"term":[{"id":"imrt-term","kind":"term","name":"IMRT / IGRT / VMAT (modern external beam radiotherapy)","route":"/terms/imrt-term/"}],"roadmap":[{"id":"ai-oncology-roadmap","kind":"roadmap","name":"AI in oncology roadmap: pattern readers → foundation models → agents in the workflow","route":"/roadmaps/ai-oncology-roadmap/"},{"id":"radiation-roadmap","kind":"roadmap","name":"Radiotherapy roadmap: X-rays → shaped beams → fewer fractions, particles and FLASH","route":"/roadmaps/radiation-roadmap/"}]}}