“…Venous drainage is usually to the inferior pulmonary vein (deParedes et al 1970). However, the involvement of other drainage veins including the hemiazygos vein (Harris and Lewis 1940;Simopoulos et al 1959;Cooley 1962), vena cava inferior, azygos vein, intercostal vein, or vena cava superior have also been reported (Savić et al 1979). Different from extralobar sequestration, this type of sequestration is not usually associated with other congenital anomalies (deParedes et al 1970).…”