Dr. guest1
	Overview of Cases 1-4 Case 1: a 58 year old woman with COPD, back pain, and worsening shortness of breath Case 2: a 69 year old man with hypertension, new onset headaches, and a 20 pound weight loss Case 3: a 65 year old woman recently diagnosed with rheumatoid arthritis Case 4: a 29 year old smoker with asthma and fractures related to a recent fall