Dream about someone sitting on your chest is a clue for someone that you call or refer to as doll. You feel you are being limited by the choices presented to you. There is some aspect of yourself that you are also rejecting or refusing to acknowledge. This is an omen for your anxieties and fears about the surgery, recovery and life after surgery. All your hard work is paying off.
Someone sitting on your chest dream is a sign for loss of love and broken companionship. There may be some feelings you have rejected or repressed. You may be a little too boastful or arrogant. The dream means your openness toward other viewpoints, opinions, suggestions and criticism. Somebody is forcing you to do something that you do not really want to do.
If you dreamt about someone sitting on your chest:
If you have wanted them to be something other than who they are, this may be putting them off from being honest with you. Allow them to be themselves, and they will be happy to become more intimate, as they will feel more comfortable in your presence.