“…The complications arising from sclerotherapy range from substernal pain 36 , 37 , 39 – 41 ) , esophageal bleeding 40 – 42 ) , ulceration and sloughing of the esophageal mucosa 37 , 40 – 42 ) , perforation with periesophageal leakage 36 , 37 , 42 ) , thoracic empyema 36 ) and pleural effusion 39 ) , to delayed esophagela necrosis occurring five to 14 days later 15 , 36 ) , broncho-esophageal fistula 44 ) , late esophageal stenosis 1 , 2 , 5 , 10 , 16 ) , periesophageal granuloma and portal vein thrombosis 45 , 46 ) .…”