Are hemorrhoids a sign of cancer?

No, but... ...It is often difficult to distinguish bleeding from hemorrhoids versus bleeding from a colon/rectal cancer. When in doubt, i advise a colonoscopy to determine the source of bleeding.
No but.. Hemorrhoids are not related to cancer and will not cause cancer. However, patients with colorectal cancer have symptoms frequently attributed to hemorrhoids. Before saying that bleeding or pain is hemorrhoids, you should be evaluated medically.
Careful. No amount of bleeding is normal from the anus/rectum. Although most people assume it is hemorrhoids, you are wiser to see an expert colorectal surgeon and be evaluated. Hemorrhoidal bleeding can be treated and other sources of bleeding need to be evaluated promptly and accurately. Early detection of colon cancer when only bleeding, has 90% or better survival.

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Are new freckles a sign of cancer?

No. Freckles are freckles and are benign, early skin cancer may appear to be a frickle to an untrained eye, .And a compelling reason to see your doctor for professional opinion. Read more...
No, but... ... There are a few skin signs, notably leser-trelat, in which crusty pigmented lesions pop up widely over the trunk, and this warns especially of deep colon cancer. Any sudden appearance of something out-of-the-ordinary is worth a physician's office visit. Read more...

Can extreme dizziness be a sign of cancer?

Possible. Many people have extreme dizziness and vertigo and cancer is not frequently the underlying reason however, any neurologic problem should be fully evaluated by a neurologist and typically MRI imaing of the brain and IACs are acquired. Read more...

Hoping you can tell me, is lymph node a sign of cancer?

Monitoring Centers. Lymphatic system absorbs/carries things too big to go into the arteries/veins like bacteria eaten by white cells and digested food. Lymph nodes "taste" the lymph for anything bad like bacteria, viruses, cancers, etc. When it detects a problem, it alerts the immune system and your body reacts. They enlarge in response to the inflammation they create when they react. They shrink when all is well. Read more...

My CRP levels are mildly elevated. Is that a sign of cancer?

Mostly likely not. A CRP can be a marker for inflammation. Although a CRP can be elevated with cancer, a CRP is very very non-specific. So it would be premature to jump to the conclusion that you have cancer. Read more...