Azygos lobe: A rare cause of right paratracheal opacity

Ndiaye, 2012, The azygos lobe: an unusual anatomical observation with pathological and surgical implications, Anat. Sci. Int., 87, 174, 10.1007/s12565-011-0119-5 Mata, 1991, Imaging of the azygos lobe: normal anatomy and variations, AJR Am. J. Roentgenol., 156, 931, 10.2214/ajr.156.5.2017954 Caceres, 1998, The azygos lobe: normal variants that may simulate disease, Eur. J. Radiol., 27, 15, 10.1016/S0720-048X(97)00146-0 Chabot-Naud, 2011, A curious lobe, Can Respir. J., 18, 79, 10.1155/2011/474678 Pradhan, 2017, Azygos lobe - a rare anatomical variant, J. Clin. Diagn. Res., 11, TJ02 Wall, 2017, The azygos lobe, Int. J. Acad. Med., 3, 189, 10.4103/IJAM.IJAM_10_17 Takasugi, 1989, Left azygos lobe, Radiology, 171, 133, 10.1148/radiology.171.1.2928516 Lesser, 1964, Left azygos lobe. report of a case, Dis. Chest, 46, 95, 10.1378/chest.46.1.95 Felson, 1989, The azygos lobe: its variation in health and disease, Semin. Roentgenol., 24, 56, 10.1016/0037-198X(89)90054-0 Salve, 2015, Azygos lobe presenting as right para-tracheal shadow, Lung India, 32, 85, 10.4103/0970-2113.148463 Smith, 2004, Pulmonary azygous lobe: a potential obstacle during thoracoscopic sympathectomy, Eur. J. Cardio. Thorac. Surg., 25, 137, 10.1016/j.ejcts.2003.09.028 Bancroft, 2007, Course variability of the phrenic nerve in the presence of an azygos lobe: two case reports, Clin. Anat., 20, 982, 10.1002/ca.20441 Asai, 2005, Spontaneous pneumothorax and a coexistent azygos lobe, Jpn. J. Thorac. Cardiovasc. Surg., 53, 604, 10.1007/s11748-005-0147-y Rakototiana, 2005, Spontaneous pneumothorax and azygos lobe in a child, Arch. Pediatr., 12, 1406, 10.1016/j.arcped.2005.06.009 Denega, 2015, Recurrent Hemoptysis – a complication associated with an azygos lobe, Southwest Respir. Crit. Care Chronicles, 3 Icard, 1999, Thrombosis of an idiopathic saccular azygos aneurysm, Eur. J. Cardio-Thorac. Surg., 15, 870, 10.1016/S1010-7940(99)00127-X Ko, 2014, Imaging features and outcomes in 10 cases of idiopathic azygos vein aneurysm, Ann. Thorac. Surg., 97, 873, 10.1016/j.athoracsur.2013.10.029 Lenoir, 2013, The empty azygos fissure, J. Radiol. Case Rep., 7, 10 Betschart, 2009, Azygos lobe without azygos vein as a sign of previous iatrogenic pneumothorax: two case reports, Surg. Radiol. Anat., 31, 559, 10.1007/s00276-009-0479-x