{"schema_version":"bookimed.page-context.v1","id":"clinic-5926","url":"https://hub.bookimed.com/oncologic-surgery/clinic-5926/","json_url":"https://hub.bookimed.com/oncologic-surgery/clinic-5926/#page-context","content_revision":"prepared-registry-v2","date_modified":"2026-10-21","language":"en","kind":"clinic-profile","title":"Atlas University Hospital","summary":"Atlas University Hospital is in Istanbul, Turkey. The linked clinical team includes Hanifi Onalan (surgical oncologist). Small intestine resection is among the hospital’s procedures. Use the inquiry page (inquiry.html) to ask about your case, the treatment setting and which clinician could be involved.","research_credit":{"name":"Yevhenii Kozlov","role":"Co-Founder of Bookimed","url":"https://us-uk.bookimed.com/ceo/kozlov/","contribution":"Research project led","assistance":"For me, helping patients find the best medical care is a personal responsibility. This guide is built by a process we designed to do the hard part — reading the research, comparing surgeons and clinics, checking real offers — and to make the result simple and clear for every patient. AI tools do much of the work; every fact links to its source."},"editorial_scope":"Source-linked research and public provider information. Individual treatment requires clinical assessment.","research_method":"How this guide is researched and compared Research project led by Yevhenii Kozlov .","sections":[{"id":"narrative-orientation","title":"About the hospital and surgical team","text":"About the hospital and surgical team Atlas University Hospital is in Istanbul, Turkey. The linked clinical team includes Hanifi Onalan (surgical oncologist). Small intestine resection is among the hospital’s procedures. Use the inquiry page (inquiry.html) to ask about your case, the treatment setting and which clinician could be involved. Sources (1) Atlas University Hospital","links":[{"label":"(inquiry.html)","url":"https://hub.bookimed.com/oncologic-surgery/inquiry/"},{"label":"Atlas University Hospital","url":"https://us-uk.bookimed.com/clinic/atlas-university-medicine-hospital/"}]},{"id":"specialists","title":"Specialists and their operations","text":"Specialists and their operations Specialist Clinic Operations and experience Ask about treatment Hasan Anil Atalay Atlas University Hospital Istanbul, Turkey Prostatectomy; Nephrectomy In practice since 2001 Ask about treatment Hanifi Onalan Atlas University Hospital Istanbul, Turkey Thyroid resection; Small intestine resection; Colectomy (large bowel resection); Liver resection; Gastroectomy; Pancreatic cancer surgery In practice since 1999 Ask about treatment Mehmet Hakan Sahin Atlas University Hospital Istanbul, Turkey Removal of spinal cord tumor In practice since 2010 Ask about treatment Erkan Karatas Atlas University Hospital Istanbul, Turkey Thyroid resection; Melanoma surgery; Tongue cancer surgery In practice since 1999 Ask about treatment Sources (5) Hasan Anil Atalay Hanifi Onalan Mehmet Hakan Sahin Erkan Karatas Atlas University Hospital","links":[{"label":"","url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-19571/"},{"label":"Hasan Anil Atalay","url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-19571/"},{"label":"Atlas University Hospital","url":"https://hub.bookimed.com/oncologic-surgery/clinic-5926/"},{"label":"","url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-8358/"},{"label":"Hanifi Onalan","url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-8358/"},{"label":"Atlas University Hospital","url":"https://hub.bookimed.com/oncologic-surgery/clinic-5926/"},{"label":"","url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-17383/"},{"label":"Mehmet Hakan Sahin","url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-17383/"},{"label":"Atlas University Hospital","url":"https://hub.bookimed.com/oncologic-surgery/clinic-5926/"},{"label":"","url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-8680/"},{"label":"Erkan Karatas","url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-8680/"},{"label":"Atlas University Hospital","url":"https://hub.bookimed.com/oncologic-surgery/clinic-5926/"},{"label":"Hasan Anil Atalay","url":"https://us-uk.bookimed.com/doctor/hasan-anil-atalay/"},{"label":"Hanifi Onalan","url":"https://us-uk.bookimed.com/doctor/hanifi-onalan/"},{"label":"Mehmet Hakan Sahin","url":"https://us-uk.bookimed.com/doctor/mehmet-hakan-sahin/"},{"label":"Erkan Karatas","url":"https://us-uk.bookimed.com/doctor/erkan-karatas/"},{"label":"Atlas University Hospital","url":"https://us-uk.bookimed.com/clinic/atlas-university-medicine-hospital/"}],"tables":[[["Specialist","Clinic","Operations and experience","Ask about treatment"],["Hasan Anil Atalay","Atlas University Hospital Istanbul, Turkey","Prostatectomy; Nephrectomy In practice since 2001","Ask about treatment"],["Hanifi Onalan","Atlas University Hospital Istanbul, Turkey","Thyroid resection; Small intestine resection; Colectomy (large bowel resection); Liver resection; Gastroectomy; Pancreatic cancer surgery In practice since 1999","Ask about treatment"],["Mehmet Hakan Sahin","Atlas University Hospital Istanbul, Turkey","Removal of spinal cord tumor In practice since 2010","Ask about treatment"],["Erkan Karatas","Atlas University Hospital Istanbul, Turkey","Thyroid resection; Melanoma surgery; Tongue cancer surgery In practice since 1999","Ask about treatment"]]]},{"id":"request","title":"Request a treatment proposal","text":"Request a treatment proposal Share your diagnosis and reports through the Bookimed request form.","links":[]},{"id":"request-form","title":"Ask about treatment","text":"Ask about treatment What would you like help with? Answer a few questions on Bookimed, then add your contact details to request help. Privacy policy Open the Bookimed request form","links":[{"label":"Privacy policy","url":"https://us-uk.bookimed.com/page/privacy-policy/"}]}],"introduction":"Oncologic surgery guide / Atlas University Hospital Clinic profile Atlas University Hospital Atlas University Hospital is in Istanbul, Turkey. Research project led by Yevhenii Kozlov · Co-Founder of Bookimed Updated 21 October 2026 Sources linked throughout Atlas University Hospital · Image source ↗","related_documents":[{"id":"oncologic-surgery","title":"Oncologic surgery: explore care by organ","kind":"home","url":"https://hub.bookimed.com/oncologic-surgery/","json_url":"https://hub.bookimed.com/oncologic-surgery/page-contexts/oncologic-surgery.json"},{"id":"inquiry","title":"Ask about surgery and a treatment programme","kind":"inquiry","url":"https://hub.bookimed.com/oncologic-surgery/inquiry/","json_url":"https://hub.bookimed.com/oncologic-surgery/page-contexts/inquiry.json"},{"id":"surgeon-bookimed-19571","title":"Hasan Anil Atalay","kind":"doctor-profile","url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-19571/","json_url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-19571/#page-context"},{"id":"surgeon-bookimed-8358","title":"Hanifi Onalan","kind":"doctor-profile","url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-8358/","json_url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-8358/#page-context"},{"id":"surgeon-bookimed-17383","title":"Mehmet Hakan Sahin","kind":"doctor-profile","url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-17383/","json_url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-17383/#page-context"},{"id":"surgeon-bookimed-8680","title":"Erkan Karatas","kind":"doctor-profile","url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-8680/","json_url":"https://hub.bookimed.com/oncologic-surgery/surgeon-bookimed-8680/#page-context"}],"entity":{"id":"clinic.bookimed.5926","name":"Atlas University Hospital","source_ids":["ref.50c3da3111b4ff58d440"],"bookimed_clinic_ids":[5926],"city":"Istanbul","country":"Turkey","official_url":"https://us-uk.bookimed.com/clinic/atlas-university-medicine-hospital/","profile_slug":"clinic-5926","topics":["prostate","kidney_bladder","operation-114","operation-121","colorectal","stomach_esophagus","pancreas_liver","thyroid_head_neck","special","operation-50","operation-223","operation-448","operation-450","operation-719","operation-727","cns","operation-119","skin","operation-120","operation-687"],"surgeon_ids":["bookimed:19571","bookimed:8358","bookimed:17383","bookimed:8680"],"value_summary":"","photo":{"url":"https://hub.bookimed.com/wp-content/uploads/oncologic-surgery-hub/media/provider-41cd684415f9ae83cc986e20ddf7f859f12d1d67c640aab712bbd126baa7bef6.jpg","width":900,"height":600,"alt":"Atlas University Hospital","source_page":"https://us-uk.bookimed.com/clinic/atlas-university-medicine-hospital/","caption":"Atlas University Hospital"}},"page_context":true,"source_ids":["ref.bd2ff2c17cad16d28903","ref.e050621043b309bc4a2e","ref.eb7715f8a97f17287a2a","ref.60682f7cbbb35e49422f","ref.50c3da3111b4ff58d440"],"images":[],"sources":{"ref.50c3da3111b4ff58d440":{"id":"ref.50c3da3111b4ff58d440","source_ids":["ref.50c3da3111b4ff58d440"],"url":"https://us-uk.bookimed.com/clinic/atlas-university-medicine-hospital/","title":"Atlas University Hospital"},"ref.bd2ff2c17cad16d28903":{"id":"ref.bd2ff2c17cad16d28903","source_ids":["ref.bd2ff2c17cad16d28903"],"url":"https://us-uk.bookimed.com/doctor/hasan-anil-atalay/","title":"Hasan Anil Atalay"},"ref.e050621043b309bc4a2e":{"id":"ref.e050621043b309bc4a2e","source_ids":["ref.e050621043b309bc4a2e"],"url":"https://us-uk.bookimed.com/doctor/hanifi-onalan/","title":"Hanifi Onalan"},"ref.eb7715f8a97f17287a2a":{"id":"ref.eb7715f8a97f17287a2a","source_ids":["ref.eb7715f8a97f17287a2a"],"url":"https://us-uk.bookimed.com/doctor/mehmet-hakan-sahin/","title":"Mehmet Hakan Sahin"},"ref.60682f7cbbb35e49422f":{"id":"ref.60682f7cbbb35e49422f","source_ids":["ref.60682f7cbbb35e49422f"],"url":"https://us-uk.bookimed.com/doctor/erkan-karatas/","title":"Erkan Karatas"}}}