Question

warning signs of cancer include a a lump in the breast or elsewhere. b obvious changes in a wart or mole. c a sore that does not heal. d all of the above can be warning signs of cancer.

Explanation:

A lump in the breast or elsewhere can be a sign of cancer as it may indicate abnormal cell growth. Obvious changes in a wart or mole can signal cancerous transformation. A non - healing sore can also be a warning sign as it may be due to uncontrolled cell proliferation associated with cancer.

Answer:

D. All of the above can be warning signs of cancer.