Worried

Iam 70 year old woman who has been having weird neurology symptoms like twitching in loads of different places burning feet and parts of my face feel strange so I went to see the Gp she took loads of blood and everything came back n normal because she said I had last  lost weight she would send me for ct of my pelvis abdomen thorax  while waiting for ct scan I had emg for the neurological symptoms ihave and the neurologist said I had begin fascliltus syndrome This morning I had a call to say they have found cysts in my pelvis so they have referred me for and ultra sound scan  Iam so scared no that these cyst are cancerous and pressing my nerves to cause theological symptoms