Persistent cough associated with haemoptysis or weight loss in a smoker older than 50 years of age are key features that should alert the clinician to the possibility of lung cancer. However, lung cancer can present without symptoms as an incidental mass on chest x-ray or CT.

BMJ Best Practice is an evidence-based point of care tool for healthcare practitioners.

To continue reading and access all of BMJ Best Practice's pages you'll need to log in or start a free trial.

You can access through your institution if your hospital, university, trust or other institution provides access to BMJ Best Practice through either OpenAthens or Shibboleth.

Use of this content is subject to our disclaimer