Recognizing early warning signs of cancer is crucial. Cancer often presents no specific symptoms in its early stages, making detection difficult. To prevent the disease and catch it early, people should minimize risk factors and undergo appropriate cancer screening.
1. Overview
Cancer is a malignant condition that occurs when cells grow uncontrollably and form tumors. Unlike benign tumors, cancerous tumors tend to invade surrounding tissues. Additionally, they can metastasize to distant organs and lymph nodes, forming new tumors and potentially leading to death.
Aside from metastasis, cancer is also known for its tendency to recur, which complicates treatment and poses serious risks to the patient’s life. Therefore, identifying early warning signs of cancer is essential.
2. Warning Signs of Cancer Everyone Should Know
Here are some warning signs of cancer that patients should be aware of:
2.1 Skin Changes
The appearance of a new mole or changes in the size, shape, or color of an existing mole may indicate skin cancer. Patients should consult a dermatologist and consider a skin biopsy if unusual skin changes appear.
2.2 Persistent Cough
A persistent cough may result from postnasal drip, asthma, acid reflux, or infections. However, if the cough lasts long, is accompanied by blood, and especially occurs in smokers, medical evaluation including chest X-rays or low-dose CT scans may be needed to screen for lung cancer.
2.3 Breast Changes
While most breast changes are not cancer-related, women should regularly examine their breasts in the mirror. If a lump, unusual discharge from the nipple, redness, thickening, or pain occurs, medical evaluation is necessary. Doctors may recommend mammograms, breast ultrasounds, MRIs, or biopsies.
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