77. What type of mild stenoses may reverse with medical therapy only, without dilatation?
J.E. Richter (Birmingham, Alabama)

78. What is the histology of an esophageal stricture before and after dilatation?
K. Jeyasingham (Bristol)

79. Are there histological characteristics that might help in selecting the dilating equipment or dilatation techniques?
H. Aste, M. Conio, M. Picasso (Genoa)

80. At what histologic stage are mucosal strictures irreversible?
K. Geboes, J. Mebis (Leuven)

81. Is esophageal dilatation easily carried out as an outpatient procedure?
O. Ekberg (Malmö)

82. What factors make it essential to consider resection?
M.B. Orringer (Ann Arbor)

83. What are the residual indications of esophagectomy in reference to the other therapies?
JM. Collard, M. Kint, J.B. Otte, PJ. Kestens (Brussels)