Mr Bob Jackson is a 55 year old man admitted to ED with a presenting complaint of diarrhoea, nausea and malaise. Questions- Answer the following questions in regards to Mr Jackson’s presentation. 1. Hypothesise the most likely chronic disease process that fits Mr Jackson’s symptoms and history. Your hypothesis must be justified by aetiology and pathophysiology relevant to Mr Jackson’s presentation. 2. Name one other chronic disease that explains Mr Jackson’s symptoms. Justify what further data, such as diagnostic tests and/or further history, which would enable a clinician to discriminate between these two diseases