A 58-year-old Indian male with a 10-year history of chronic atrophic gastritis and intestinal metaplasia presents with epigastric pain and early satiety. Endoscopy reveals a well-demarcated ulcerated lesion in the gastric antrum. Histology shows glandular structures with mucin-secreting cells. Which feature best distinguishes this intestinal-type carcinoma from diffuse-type gastric carcinoma in terms of clinical presentation and imaging?