A nurse is providing community education on the seven warning signs of cancer. Which signs are included? (Select all that apply.)

Choice A reason: Changes in bladder or bowel habits are one of the classic warning signs of cancer, particularly colorectal or bladder cancer. Choice B reason: While abdominal pain may be a symptom of various conditions, it is not one of the seven established warning signs of cancer unless associated with other changes. Choice C reason: A noticeable change in a mole, such as size, shape, or color, is a key sign of skin cancer and warrants evaluation. Choice D reason: Persistent indigestion or difficulty swallowing can indicate gastrointestinal or esophageal cancers and is part of the warning signs. Choice E reason: A sore that does not heal may suggest skin cancer or oral cancer and is a recognized warning sign.