Chest CT for suspected endometriosis on diaphragm shows small fat-containing bochdalek hernia. Cld cause rt rib/collarbone/neck/face pain & fullness?

No. These are common and would not cause those symptoms.
Not facial symptoms. Not neck, face pain and fullness. See ENT doc for those symptoms.
Very unlikely . Elle - these symptoms are almost certainly not related to the bochdalek her is you describe. Not sure what they are from, but its not the hernia.