Use 'cancerous' to describe anything that physically relates to the disease, typically in medical or scientific settings. The biopsy confirmed that the lesion was cancerous.
Pro Tip 2/3
Not Always Deadly
'Cancerous' doesn't always mean fatal; some cancerous cells can be treated or removed. She underwent surgery to remove a cancerous mole.
Pro Tip 3/3
Emotional Weight
The term can evoke fear or concern; be sensitive when using it in personal conversations. The family discussed the cancerous diagnosis with care.