[lemma=that] [tag=NN] [lemma=□]
[lemma=that] [tag=NN] [lemma=classification]
[lemma=that] [tag=NN] [lemma=that]
Cancer research is among the most important application areas for gene expression investigations , one reason being that cancer classification is still rather coarse and mainly based on morphological features , only occasionally supplemented with genetic-based information .