Cognitive Screening in Lung Cancer Patients

This study is screening people with lung cancer for cognitive (thinking and memory) difficulties, which can sometimes be an under-recognized side effect of the disease or its treatment. The goal is to understand how common these problems are and find them early. **You may be eligible if...** - You have been diagnosed with small-cell or non-small-cell lung cancer (any stage I-IV) - You are 18 years of age or older (but under 70) - You can speak and read the local language fluently - You are willing to give informed consent **You may NOT be eligible if...** - You are 70 years of age or older - You have cancer that has spread to the brain (brain metastases) - You have a pre-existing neurological or psychiatric condition - You are currently receiving radiation to the brain - You have had a previous lung cancer diagnosis Talk to your doctor to see if this trial is right for you.