Juniper Publishers- Journal of Cell Science Abstract The undifferentiated carcinomas seem to be a problem in terms of the lymph nodes. They were sought in the histological data pool established for the Ibo ethnic group in Nigeria. They were found mostly in females and in the neck. In general, attention is drawn to publications in which “or” appears to be the saving grace when the titles were chosen. Keywords: Lymph node; Undifferentiated carcinoma; Age; Site; Sex; Definition problem Introduction A survey of the literature on lymph nodes concerning undifferentiated carcinoma is revealing, although some countries stand out. In alphabetical order, they are Costa Rica [1], Germany [2], Hong Kong [3], Japan [4], Korea [5], and Portugal [6]. Therefore, the Nigerian cases are deemed to be worthy of documentation from among the Ibo ethnic group [7]. In fact, this was facilitated by following the example of Birmingham (UK) authors who hypothesized that the establishment of a his