A 60 year-old man developed weight loss, upper abdominal pain, anorexia and hematemesis in the last 3 month. A endoscopy was done which revealed exophytic mass in the gastric region. a) What is your probable diagnosis? Give reasons. 2 mark b) Write about the pathogenesis of the disease? 4 mark c) Describe gross and microscopy of your probable diagnosis? 4 mark