Kidney cancer symptoms are apparent after the cancer grows up to a certain stage. The most common kidney cancer symptoms are:
1. Blood in one.s urine. Urine looks dark red or rusty. Blood in the urine doesn.t remain every time. It can come and go.
2. Loss in weight is up to 5 percent which is fast and feeling fatigue which is chronic. Feeling less healthy.
3. Constant pain in the lower back, just below the ribs which does not go away including foot pain and pain in the neck.
4. A lump in the abdomen or near the area of the kidney
5. Swelling in the legs and ankles. Pain might be in the knee and the joints.
6. High, recurrent fevers and sweating in the night.
7. Feeling too tired and lethargic and insomnia.
8. High blood pressure
9. Feeling anemic due to less or reduced production of red blood cells
10. Loss of appetite, headache and heartburn
11. Appearance looks malnourished and paleness
12. Visionary problems develop
13. Females may experience excessive hair growth

Other kidney cancer symptoms include:
As kidney cancer grows, it affects the other surrounding organs like, the colon, the liver, or pancreas. Kidney cancer cells may spread (metastasize) to the other parts of the body too which may lead to pain in the entire body. The health of the person suffering deteriorates extensively. Kidney cancer cells may also appear in the lymph nodes. If kidney cancer spreads further, it may also form new tumors in the bones or legs. The metastasis of the bone may cause fracture of the hip bone. Males may also experience enlargement of the testicle due to blockage of a vein, known as varicocele by the invasion of the tumor. Symptoms such as less urination or feeling an urge to urinate are normally seen. Flank pain or side pain is another main kidney cancer symptom which is unbearable. If the cancer spreads up to the lungs then, it might cause shortness of breath or coughing up blood.

Further kidney cancer symptoms are: As the cancer grows .paraneoplastic syndromes. can be seen. .Paraneoplastic syndrome. is a complication which arises due to the effects of the tumor on the body. These complications lead to high blood pressure, polycythemia, and hypercalcemia.

Some tumors may stimulate the production of red blood cells in the body. The kidney cancer symptom of polycythemia is excessive production of red blood cells. This may cause the following kidney cancer symptoms:
1. Feeling dizzy all the time
2. Constant headaches
3. Inflammation of the veins
4. Difficulty in breathing
5. Feeling full
6. Itching
7. Unusual redness of the skin may occur in some patients, especially the facial skin
8. Blood clots
9. Abnormal functioning of the liver and liver enzymes

Over production or abnormal production of parathyroid hormone may lead to hypercalcemia, that is, high amount of calcium in the blood. The symptoms of kidney cancer generally found are:
1. Loss of appetite
2. Feeling tired
3. Urinating frequently
4. Pain
5. Feeling thirsty and sick
6. Nausea and vomiting
7. Constipation
8. Difficult to think