Sufferers often mistake coughing and shortness of breath for the common cold, and only a further examination reveals the late-stage cancer. For some, the cancer has already spread, and it is only symptoms such as headaches or abnormal bone fractures that provide clues of the cancer.
因此經常有患者咳嗽、氣喘以為是感冒，一經檢查才知道已是肺癌末期；也有患者癌細胞已經轉移，患者發生頭痛、病理性骨折等種種情況，最後才驚覺是罹患肺癌。