Good day,My father has a problem from 1/5 years ago with huge sputum and PND,broncoscopy,Lung CT,gastric endoscopy showed no result except Allergic sinusitis,he had septoplasty of nose and he was Ok only for two months again sputum is appears which disturb him a lot even during eating food,MRI of head also showed ESS but no other sign of Pituitary dysfunction.Please advise,I am also general practitioner but after so many follow ups with lots of physicians there is no any result.Many thanks