Non-Hodgkin's Lymphoma
Collapsed Lung (Pneumothorax)
Dental Abnormalities
Anterior Cruciate Ligament (ACL) or Posterior Cruciate Ligament (PCL) Tear
Cardiovascular Diseases
Osteochondritis Dissecans
Systemic Lupus Erythematosus (SLE)
Aortic Aneurysm