Why the study?
The study was conducted to analyze the common and rare anatomical variations of the azygos venous system along with their embryological aspects reported in the literature.
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Design
Clinical review
Prompts consideration of azygos variants in thoracic procedures; extends descriptive anatomy but leaves clinical impact open.
Aim: To study and analyze the common as well as rare anatomical variations of the azygos venous system along with their embryological aspect available in the literature. Background: The azygos system of veins comprises azygos, hemiazygos, and accessory hemiazygos veins that act as a connecting channel between the inferior vena cava and superior vena cava.
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Seema Sehmi (2022) studied this question.
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