Multiple endocrinal neoplasias are shown with such simplicity in this diagram that i found at Wikipedia.
The diagram illustrates MEN 1 (also known as Werner’s) , MEN 2A (Sipple’s) and MEN 2B.
To remember… have the diagram in mind and remember PPP, PMP , MMP. You’ ll never forget .
MEN 1 is P,P,P (3P)
MEN 2A is PMP
MEN 2B is MMP