Which of the following is NOT a disease that may put a person at a higher risk for developing hypotension?

Stomach cancer is not typically associated with a higher risk of developing hypotension compared to the other listed conditions. While cancer can lead to various complications, including weight loss and malnutrition, it does not directly impact blood pressure regulation in the way that heart conditions, diabetes, and Parkinson's disease can.

Heart conditions, such as heart failure or arrhythmias, can significantly influence cardiac output and vascular resistance, leading to hypotension. Diabetes can damage blood vessels and affect the nervous system, resulting in issues with blood pressure regulation. Parkinson's disease, due to its impact on autonomic nervous functioning, can also lead to a form of low blood pressure known as orthostatic hypotension.

Thus, stomach cancer does not have a direct correlation with the mechanisms that typically cause hypotension, which is why it is identified as the option not associated with this risk.