public class PatientDTO
{
    public int PatientId { get; set; }
#pragma warning disable CS8618
    public string LastName { get; set; }
#pragma warning restore CS8618
#pragma warning disable CS8618
    public string FirstName { get; set; }
#pragma warning restore CS8618
    public DateTime DateOfBirth { get; set; }
#pragma warning disable CS8618
    public string Gender { get; set; }
#pragma warning restore CS8618
}