Malignant neoplasm of ethmoid sinus
When the disease is still active, medical records showing an ongoing Lyme disease diagnosis support the 100 percent rating. Treatment records, lab results, and clinician notes documenting current signs and symptoms all speak to active disease. Once the disease has resolved, the evidence that matters most is documentation of any lasting effects. For arthritis, that could include imaging and range-of-motion findings. For Bell's palsy, exam findings showing facial nerve involvement. For radiculopathy, nerve conduction studies or reflex and sensory findings. For ocular or cognitive dysfunction, specialist evaluations. Your own statements, and statements from people who know you, describing how these residual problems affect your daily activities and work can also support the record for each affected body system.
Conditions that are often caused or made worse by this one. If you have any of these, they may be claimable as secondary service connection.