cancerous

形容词 cancerous:

1. relating to or affected with cancer
2. like a cancer; an evil that grows and spreads

1. A gene that causes the transformation of normal cells into cancerous tumor cells, especially a viral gene that transforms a host cell into a tumor cell.
   致癌基因导致正常细胞转变为癌变细胞的基因，尤其是一种把寄主的细胞变为肿瘤细胞的病毒基因
2. Is the growth benign or cancerous?
   这个肿瘤是良性的还是癌肿性的?