Hepatic abscess caused by esophageal foreign body misdiagnosed as cystadenocarcinoma by magnetic resonance imaging: A case report

Figure 4 Gastroscopic view. A: The mucosa of the anterior wall of the duodenal bulb is shown to be rough and uneven, with small bubbles throughout; B: Milky white pus is seen exudating from the anterior wall of the duodenal bulb, and the foreign body was considered to have punctured the anterior wall of the duodenal bulb.