Esophagus is present in all except ?
Ans. is 'c' i.e., Anterior mediastinum Esophagus mainly descends in superior and posterior mediastinum.Esophagus is usually not a content of middle mediastinum, but it forms posterior boundry of middle mediastinum (BDC Vol.-1, 6`"/e p. 246).Esophagus has no relation to anterior mediastinum. Thus, among the given options, best answer is anterior mediastinum.
Superior mediastinum
Middle mediastinum
Anterior mediastinum
Posterior mediastinum