On barium swallow Leiomyoma shows following characteristic appearance?
Rat tail appearance
Cork screw appearance
Oval mass lined by barium
String sign
Ans. is 'c' i.e., Oval mass lined by bariumOn barium swallow, leiomyoma may be seen as a discrete round or ovoid submucosal mass that is well outlined by barium.Its borders form slightly obtuse angles with the esophageal wall.Esophageal leiomyoma is a benign smooth-muscle neoplasm of the oesophagus. It is the most common benign tumor of the oesophagus.They typically involve the mid-to-distal oesophagus.