The use of ultrasonography (US) vs cross-sectional imaging for preoperative evaluation of papillary thyroid cancer is debated.OBJECTIVE To compare thyroid US and computed tomography (CT) in the preoperative evaluation of papillary thyroid cancer for cervical lymph node metastasis (CLNM), as well as extrathyroidal disease extension.

The following abstracts were produced by delegates selected for the Energy Nexus Competition taking place during the 2nd annual McMaster Energy Week. The first three abstracts were selected as the winners of the competition, reported here in order of 1st place to 3rd. McMaster Energy Week is Canada's first student-led energy week that aims to take the complex and multifaceted issue of climate change and present solutions towards building Canada's sustainable future. We are bringing together academia, industry, government, communities, and students to further the dialogue on Canadian environment and energy.

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The following abstracts were selected as the top 3 finalists amongst the delegates chosen for the Smart Energy City Competition taking place during the 1st annual McMaster Energy Week. McMaster Energy Week is Canada's first studentled energy week that aims to take the complex and multi-faceted issue of climate change and present solutions towards building Canada's sustainable future. We are bringing together academia, industry, government, communities, and students to further the dialogue on Canadian environment and energy.