A 61-year-old man presented to his GP with a 6-week history of increasing tiredness, polyuria and polydipsia. He also noticed weight loss over the past 6 months (around 5 kg) and an irritating cough that seems to have coincided with him stopping smoking around 5 months ago. Past medical history : A partial gastrectomy for a gastric ulcer 26 years ago Social history: He was a heavy smoker (40/day) for 38 years but stopped 5 months ago due to increasing shortness of breath.
What is the differential diagnosis at this stage? *This case is from Docplexus editorial team for educative purpose only Source: Case files- Endocrinology The answer is posted in the comment section. Click here