How do you know if have cancer cells in your body?

Detecting cancer cells in the body often involves undergoing certain screening tests, medical imaging, and biopsies. However, it's important to note that the signs and symptoms of cancer can vary depending on the type of cancer and the stage of its development. Some general indications that may suggest the presence of cancer cells include:

1. Unexplained Weight Loss: A sudden and unexplained drop in body weight without any obvious cause can sometimes be associated with certain cancers, especially those affecting the digestive system or certain types of tumors.

2. Lump Formation: The appearance of a lump or swelling in any part of the body, especially if it's persistent, painless, and continues to grow, can be a sign of cancer.

3. Changes in Skin: Unexplained changes in skin texture, discoloration, or the appearance of new moles or changes in existing ones can indicate skin cancer or internal malignancies.

4. Chronic Cough or Hoarseness: A persistent cough that doesn't go away or a change in voice quality without a clear cause may be associated with lung cancer, throat cancer, or other upper respiratory tract malignancies.

5. Digestive Problems: Persistent digestive issues, such as difficulty swallowing, abdominal pain, heartburn, or changes in bowel habits that last more than a few weeks, can be signs of gastrointestinal cancers or other digestive system abnormalities.

6. Abnormal Bleeding or Discharge: Unusual vaginal bleeding, discharge, or unexplained bleeding from other orifices can be symptoms of certain types of cancer, such as uterine, cervical, or prostate cancer.

7. Fatigue and Weakness: Unexplained and persistent fatigue, weakness, or lack of energy can sometimes indicate the presence of cancer cells.

8. Pain: Pain that doesn't go away or is unrelated to any known injury can be a sign of cancer, especially if it's persistent or progressively worsens.

9. Changes in Lymph Nodes: Swollen or enlarged lymph nodes in areas such as the neck, armpits, or groin can indicate the spread of cancer cells.

10. Unusual Bleeding: Any unusual or excessive bleeding, such as nosebleeds, bleeding gums, or blood in urine or stool, may be signs of certain types of cancer.

It's important to note that these signs and symptoms can be common to various medical conditions and don't necessarily indicate cancer. If you're experiencing any of these symptoms or have concerns about your health, it's essential to consult with a healthcare professional for proper diagnosis.