This assignment presents a detailed concept map and a 750-word explanation analyzing a case study of a 60-year-old man, Steve McManus, presenting with symptoms of COPD, chest pain, and other related health issues. The analysis delves into the patient's risk factors, including a history of smoking, hypertension, and sleep apnoea, and their relationship to the diagnosed disease. The assignment explores the aetiology and pathophysiology of COPD, examining how the disease manifests through the patient's signs and symptoms, such as shortness of breath, chest pain, and an enlarged liver. Furthermore, it suggests various treatment modalities, including lung function tests, chest X-rays, and lifestyle modifications like diet and reduced alcohol and smoking, to manage and treat the condition. The document references current literature to support its analysis, providing a comprehensive understanding of the case.