Lung cancer is frequently diagnosed at later stages because its initial symptoms are subtle and non-specific, often mistaken for allergies, minor infections, or smoking-related coughs.
Key Early Symptoms:
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Persistent Cough:
A cough lasting more than four to five weeks, or gradually changing in severity or nature, is an early warning sign. Smokers may ignore it as part of their daily routine, but any new changes require medical evaluation. -
Shortness of Breath and Wheezing:
Gradual difficulty breathing, wheezing, or reduced exercise capacity may indicate a partial airway blockage due to a tumor. These symptoms are often attributed to aging, asthma, or low fitness, delaying diagnosis. -
Unexplained Fatigue:
Continuous tiredness that does not improve with rest, caused by metabolic changes associated with cancer. Fatigue may be mistakenly attributed to stress or lack of sleep, but persistent tiredness warrants a medical checkup.
Doctors recommend that both smokers and non-smokers consult a physician if these symptoms persist for more than four to five weeks to ensure early diagnosis and increase treatment success.
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