A 40-year-old male presented to the OPD with history of watery diarrhoea and periodic abdominal pain for 2 months. On examination, Warm face Face engorged with blood along with itching and sweating Diastolic murmur in the left 4th ICS parasternally which increases with inspiration Lab findings revealed increased 5-HIAA secretion in urine. Coloscopy was done. Biopsy of this mass was taken and it stained positive for chromogranin. With which of the following syndrome is the above condition may be associated: -