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What are the Most Common Signs of Kidney Cancer?
Posted: Oct 24, 2023
What are the Most Common Signs of Kidney Cancer? image

Kidney cancer, also known as renal cell carcinoma, is a serious medical condition that can often go undetected until it reaches an advanced stage. Recognizing the signs and symptoms of kidney cancer is crucial for early diagnosis and effective treatment. In this article, we will discuss the most common signs of kidney cancer, shedding light on the importance of being proactive about recognizing symptoms and scheduling regular check-ups with your doctor.

Blood in the Urine

One of the most common early signs of kidney cancer is hematuria, which is the presence of blood in the urine. While this symptom can be caused by many different conditions such as urinary tract infections (UTIs), kidney stones, and other urological problems, it should not be ignored. Hematuria can be painless or accompanied by discomfort, and its persistence should prompt a visit to a healthcare professional.

Lower Back Pain

Persistent lower back pain, on one side of the body, is another potential sign of kidney cancer. This pain may be dull and aching or sharp and severe. It can sometimes be confused with common back problems. However, if the pain is unrelated to an injury or physical strain and persists for an extended period, it should be evaluated by a medical expert.

Unexplained Weight Loss

Unintentional weight loss is a common symptom in many types of cancer, including kidney cancer. Sudden and unexplained weight loss, especially if accompanied by other concerning symptoms, may be a reason to consult a healthcare provider. Weight loss can result from the body's efforts to fight off cancer cells, impacting the patient's overall well-being.


Kidney cancer can cause fatigue, which is often persistent and unrelated to physical exertion or lack of sleep. This kind of fatigue can significantly affect daily life and should be discussed with a doctor, especially when combined with other symptoms.


Anemia is a condition characterized by a reduced number of red blood cells, leading to a decrease in the oxygen-carrying capacity of the blood. Kidney cancer can sometimes cause anemia, resulting in symptoms like weakness, fatigue, and paleness. If anemia is detected, further investigation may be necessary to determine the underlying cause.

Swelling or Lump in the Abdomen

As kidney tumors grow, they can cause physical changes in the abdomen. Swelling or a palpable lump in the abdominal area may be indicative of kidney cancer. This symptom is more common in advanced stages of the disease but should not be ignored, especially if it is accompanied by other concerning signs.

High Blood Pressure

High blood pressure, also known as hypertension, can sometimes be a sign of kidney cancer. The kidney's role in regulating blood pressure can be disrupted by the presence of a tumor. If hypertension is sudden or unexplained, it should be discussed with a healthcare professional.


Kidney cancer is a potentially life-threatening disease that can often remain hidden until it reaches an advanced stage. Recognizing the common signs and symptoms, such as hematuria, lower back pain, unexplained weight loss, fatigue, anemia, abdominal swelling or lump, and high blood pressure, is essential for early diagnosis and prompt treatment. If you experience any of these symptoms, it is crucial to consult a healthcare provider to determine their underlying cause. Regular health check-ups and a proactive approach to your well-being can play a significant role in detecting kidney cancer in its early, more treatable stages. Remember, early detection can make a life-saving difference in the fight against kidney cancer!

The author Katie Braswell

about the author
Katie Braswell

Katie joined HealthTree as the Community Director for AML in 2021 and became HealthTree's Director of Education in 2023. Katie is a registered dietitian who is passionate about health literacy and patient empowerment. She loves to cook, travel and spend time with her newborn son, husband and dog.