Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 61 11 2024 07 11 699 701 Hanieh Bayat Department of Anatomical Sciences and Cognitive Neuroscience, Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran Shabnam Movassaghi Department of Anatomical Sciences and Cognitive Neuroscience, Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran Mohammad Akbari Department of Anatomical Sciences and Cognitive Neuroscience, Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran 2021 08 27 2023 01 27 Fetal abnormalities can cause axillary artery variations. Recognize and document of these variations are essential for surgeons performing interventional or diagnostic procedures for cardiovascular diseases. During routine dissection of an old female cadaver in the department of anatomy of Islamic Azad University, Tehran of Medical Sciences, we came across a variation in the branching pattern of the left axillary artery. The third part of the left axillary artery gave rise to a common trunk which was divided into the subscapular, lateral thoracic, posterior, and anterior circumflex humeral arteries. https://acta.tums.ac.ir/index.php/acta/article/view/9628