The present study was compared with a similar study from the same geographical location. There were some interesting anatomical variations like the two upper pulmonary veins, two pulmonary artery, two bronchi in the hilum of the left lung, three bronchi, four pulmonary veins and four bronchi. The variations were observed in 16.1 % of right lungs and 48.2 % of the left lungs. It was observed that the variations were higher in the left lung than in the right lung. The anatomical variations of the arrangement of structures at the hilum were macroscopically observed. The present study examined the hila of 110 cadaveric lung specimens of south Indian population. The aim was to study the anatomical variations of the arrangement of structures at the hilum of the lung.
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