Problem: A 45-year old male presents with fatigue and weakness. He reports he doesn't feel "seriously ill" but he's been tired and weak for 3 weeks. He initially attributed his symptoms to working longer hours, but he's started to have some soreness below his ribcage. He denies any nausea, vomiting, diarrhea, fever, chills, cough, shortness of breath, jaundice, bruising, bleeding, loss of appetite, changes in bowel or bladder function, changes in stool or urine color, itching, rashes, lesions, gynecomastia, change in sexual desire.