Cancer symptoms can vary depending on the type, location, and stage of cancer. However, some common symptoms include:

General Symptoms:

1. Unexplained Weight Loss: Losing weight without trying is often an early sign, especially in cancers of the pancreas, stomach, esophagus, or lung.
2. Fatigue: Persistent tiredness that doesn’t improve with rest.
3. Fever: Frequent or persistent fever, especially in cancers affecting the immune system.
4. Pain: Persistent pain can be an early sign, depending on where the cancer is located.
5. Skin Changes: This includes darkening, yellowing, or reddening of the skin, or the appearance of a sore that doesn’t heal.

Symptoms Based on Specific Areas:

1. Lump or Thickening: In the breast, testicles, or other soft tissues.
2. Changes in Bowel or Bladder Habits: Diarrhea, constipation, or a change in the size of your stool. Pain when passing urine, blood in urine, or more frequent urination.
3. Persistent Cough or Hoarseness: Could be a sign of lung or throat cancer.
4. Unusual Bleeding or Discharge: Blood in stool or urine, or abnormal vaginal bleeding.
5. Difficulty Swallowing: Persistent issues swallowing, which may indicate cancers of the esophagus or throat.
6. Indigestion or Trouble Eating: Often linked to cancers of the digestive tract.

If any of these symptoms persist or worsen, it is crucial to seek medical advice for proper diagnosis and early detection.