Well differentiated fetal adenocarcinoma of lung

Last revised by Yuranga Weerakkody on 27 Nov 2019

A well-differentiated fetal adenocarcinoma (WDFA) of lung is a rare low grade lung tumor. Some consider this as a variant of adenocarcinoma with others considering this under the group of pulmonary blastomas 5

According to classification by the World Health Organization in 1999, it was removed from the pulmonary blastoma category and classified as a variant of adenocarcinoma 7.

It tends to present in younger patients (often young adults 3,4). 


Microscopically composed of neoplastic glands and tubules that resemble fetal lung.

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