26th April 2024

A 50-year-old male presents with a history of recurrent, burning pain in the upper abdomen and chest for the past eight months.

A 50-year-old male presents with a history of recurrent, burning pain in the upper abdomen and chest for the past eight months. The pain typically occurs at night and seems to worsen when his stomach is empty. He also reports occasional nausea and a recent episode of vomiting with no blood. He has not lost any weight and does not smoke or drink alcohol. On examination, there is mild tenderness in the epigastric region but no palpable masses.

Investigations:

Blood tests, including full blood count and liver function tests, are within normal ranges.

Which is the most likely diagnosis?