Blastoma

Blastoma comes from the root of blast, meaning swelling or blow up. Thus blastoma is a description of cancersthat swell.

Example of such a case will be retinoblastoma, in which the retinaof the eyes swells as a result of cancer.

Nope. That's plain wrong! Blasto- refers to a precursor cell.

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It uses material from the http://en.wikipedia.org/wiki/Blastoma Wikipedia article Blastoma.