Arman Khozhayev; Altynay Saparalyyeva; Ayaulym Ilyas; Aida Saparali; Aiman Zhumanazar; Gulnur Shamshi; Meruyert Mukhamedkali; Azhar Kamilova. EPIDEMIOLOGICAL, METHODOLOGICAL ASPECTS, SCREENING EFFECTIVENESS AND RESULTS OF EARLY DETECTION OF MALIGNANT TUMORS IN THE REGIONS OF KAZAKHSTAN AT THE PRIMARY HEALTH CARE LEVEL. RRAL 2026.