RTV confirmed tumor histology while RWC performed statistical analysis of the data.

Misidentification of the tumor histology can lead to errors in treatment and prognosis.

Independent evaluations of both the tumor invasiveness (using staging criteria) and tumor histology should be combined to predict the clinical behavior of a thymoma.

On the basis of the tumor histology, refer to one of the following summaries for more information:

Uncommon tumor histology (e.g., medullary thyroid carcinoma).

Since the treatment of malignant obstruction may depend on tumor histology, a histologic diagnosis, if not made earlier, should be made prior to initiation of treatment.

Other factors are the age of the child, tumor histology, and tumor biology.

Mutations of this gene have been associated with epithelial-type tumor histology.

Similar tumor histology has also been reported in the pancreas, although it is a considerably more rare entity.

The age of onset of liver cancer in children is related to tumor histology.