https://www.selleckchem.com/products/nd-630.html Foreign body oesophagus is a commonly seen emergency in ENT. It is seen both in children and adults. When sharp bony foreign bodies such as chicken, fish, and mutton bone gets impacted in the oesophagus, it predisposes the patient to various complications. The foreign body can migrate extraluminally with time and cause retropharyngeal abscess. Retrospective study over a period of 6months from November 2019 to April 2020 of patients with foreign body oesophagus. We came across 20 patients with oesophageal foreign bodies and five of them had associated retropharyngeal abscess. Rigid esophagoscopy with foreign body removal and internal drainage of pus through the oesophageal rent followed by conservative management with intravenous antibiotics based on culture and sensitivity was done. Patients improved drastically as the pus drained into the oesophagus via the rent in the posterior oesophageal wall and did not require an external incision and drainage. They were discharged in a week. Removal of partial extraluminally migrated foreign body oesophagus and internal drainage of the abscess followed by nasogastric feeds till the rent resolves and intravenous pus culture-sensitive antibiotics fastens patient recovery and reduces the morbidity associated with external incision and drainage and oesophageal rent repair. Removal of partial extraluminally migrated foreign body oesophagus and internal drainage of the abscess followed by nasogastric feeds till the rent resolves and intravenous pus culture-sensitive antibiotics fastens patient recovery and reduces the morbidity associated with external incision and drainage and oesophageal rent repair.The quality and potability of waters of the Tyśmienica River Basin were determined in 2017 at eight measuring stations. The paper presents analyses of the physical and chemical parameters of surface waters of the basin. With regard to suspended solids, pH value, electric conductivity, s