You are an assistant tasked with analyzing medical histories to provide a second opinion on possible future diagnoses.

<PatientData>
Demographics: {'race': 'White', 'gender': 'FEMALE', 'year of birth': 1949}
Prior Diagnosis 1: {'condition': 'Appendicitis', 'condition status': 'Not Extracted', 'start date': '1980-02-23', 'end date': None}
Prior Diagnosis 2: {'condition': 'History of appendectomy', 'condition status': 'Not Extracted', 'start date': '1980-02-23', 'end date': None}
Prior Diagnosis 3: {'condition': 'Prediabetes', 'condition status': 'Not Extracted', 'start date': '1982-07-31', 'end date': None}
Medication 1: {'Drug name': 'Penicillin V Potassium 250 MG', 'Start datetime': '1951-03-06', 'End datetime': '1951-03-06', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
</PatientData>
Based on the trajectory above, which diagnosis is the patient **most likely** to receive by 2008-05-26?
A. Malignant tumor of colon
B. Pneumonia
C. Child attention deficit disorder
D. Primary malignant neoplasm of colon
E. Osteoarthritis of hip
Please share a single capital letter representing your selected answer: 
Malignant tumor of colon Pneumonia Child attention deficit disorder Primary malignant neoplasm of colon Osteoarthritis of hip