Fig. 9From: Simultaneous occurrence of distant metastases to the small intestine and the thoracic esophagus from anaplastic thyroid carcinoma: a case reportHistological findings of the biopsy specimen from the esophageal tumor. a Undifferentiated tumor cells with a small number of non-neoplastic squamous cells (HE, ×100). b Anaplastic tumor cells almost identical to those of the small intestine tumor (HE, ×400)Back to article page