Malignant transformation is commonly seen in:: (A) Stomal ulcer, (B) Gastric ulcer, (C) Chronic duodenal ulcer, (D) Postbulbar ulcer
Answer is B. Ans. (b) Gastric ulcer* Malignant transformation is very rarely seen in gastric ulcer (<1%) - Not so common.* Giant gastric ulcer (>2cm) is associated with cancer in 6-15% cases* Of the above choices we can opt for choice B' only - but it is not so common.