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': 1937}
Medication 1: {'Drug name': 'Penicillin V Potassium 500 MG', 'Start datetime': '1972-12-07', 'End datetime': '1972-12-07', '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 1980-10-29?
A. History of appendectomy
B. Diabetes
C. Prediabetes
D. Coronary Heart Disease
E. Primary malignant neoplasm of colon
Please share a single capital letter representing your selected answer: 
History of appendectomy Diabetes Prediabetes Coronary Heart Disease Primary malignant neoplasm of colon