Gastrointestinal metastasis from invasive lobular carcinoma following breast cancer treatment: A case report

Figure 3 Endoscopic images of gastric and rectum lesions after four months of combination therapy with letrozole and palbociclib. A and B: The gastric mucosa exhibits scattered congestive and erosive lesions, with slightly depressed surfaces covered by small amounts of brownish blood crust; C and D: Multiple patchy erosions are noted in the rectosigmoid junction and rectal mucosa.