Early Cancer Signs to Watch For, According to a Specialist
Oncologist and surgeon Ivan Karasev highlighted three often overlooked early indicators of cancer on his Telegram channel, emphasizing that the first signals can masquerade as a common cold. He stressed the importance of looking at overall health rather than focusing on isolated symptoms, especially when persistent fatigue or weakness lingers despite rest and routine care. The message is clear: don’t dismiss ongoing tiredness as just a minor annoyance, because it may reflect something more serious brewing under the surface. [Citation: Dr. Ivan Karasev]
As the doctor explained, a growth in a malignant tumor can at times present with a fever that spikes briefly and then subsides, which can mislead people into thinking they simply caught a viral illness. This pattern of a fever that comes and goes should raise a red flag for anyone whose temperature returns to normal after a short period, particularly if accompanied by other subtle changes in health. The third signal discussed is a sore throat that does not easily respond to typical cold medications. This triad—unexplained weakness, fleeting fever, and a throat that lingers sore—warrants prompt medical evaluation to rule out cancer or other serious conditions. [Citation: Dr. Ivan Karasev]
Beyond these points, Karasev cautioned readers not to ignore symptoms such as non-healing sores, persistent headaches, or unusual discharge when using the bathroom. Such signs can indicate local irritation or tumor activity that merits investigation. The emphasis is on vigilance and timely consultation with healthcare professionals. He also advised lifestyle changes that can lower cancer risk, including quitting smoking, reducing alcohol intake, maintaining regular physical activity, and following a balanced diet. These steps can contribute to better overall health and may improve outcomes if cancer is detected at an earlier stage. [Citation: Dr. Ivan Karasev]
In his broader guidance, the physician has previously discussed how certain signs may point to blood thickening, underscoring the need to monitor any unusual clotting tendencies or symptoms such as swelling, warmth, or pain in the limbs. Recognizing these hints early can lead to faster evaluation and treatment, reinforcing the idea that awareness and proactive health checks matter every day. [Citation: Dr. Ivan Karasev]
Readers are reminded that cancer risk is influenced by multiple factors, including genetics, lifestyle, and environmental exposures. While no single symptom confirms cancer, paying attention to persistent or unusual changes—especially those lasting longer than expected or resisting standard remedies—can help individuals seek timely care. Health professionals may use a combination of physical exams, imaging tests, and laboratory work to determine the cause of such signs and to outline appropriate next steps. The overall message from Karasev remains practical: observe, ask questions, and pursue medical advice when symptoms persist or worsen. [Citation: Dr. Ivan Karasev]