This assignment presents a detailed case study of Harold, a 75-year-old male diagnosed with stage III Non-small cell lung cancer (NSCLC). The assignment explores various aspects of Harold's condition, including the national bowel cancer screening program, cervical and breast cancer screening, and the signs, symptoms, and pathophysiology of lung cancer. It delves into the anatomy and physiology of NSCLC, examining the implications of Harold's diagnosis, including breathing problems, fatigue, and potential side effects from chemotherapy. The assignment also covers interventions for managing chemotherapy side effects, such as those related to bone marrow and the gastrointestinal tract, and addresses the importance of a balanced diet and medication administration. Furthermore, it discusses hyperkalemia, its interventions, and Harold's short and long-term goals. The assignment emphasizes effective communication strategies, financial assistance resources, and the role of palliative care in improving the quality of life for patients facing life-threatening illnesses, highlighting the contributions of interdisciplinary teams in providing comprehensive patient care and support.