Inclusion Criteria:  Be 18 years of age or older. Have had a lung cancer diagnosis. Be able to speak and read in English. Willing and able to provide informed consent. Have internet connectivity. Access to a laptop, computer, or smart device to access the web-based platform.  Exclusion Criteria:  Psychological or linguistic inability to provide informed consent.  Physical or psychological impairments which prevent or inhibit participation in physical activity. Examples include:  Uncontrolled atrial fibrillation Abdominal aortic aneurysm (AAA) Recent heart attack (less than one year) Recent stroke (less than one year) Psychiatric disorder Those who lack capacity under the Mental Capacity Act 2005 (MCA).