PhysSurg-B : Physical Activity in Relation to Surgical Operations - Breast Cancer

"Preoperative intervention - takes place from randomization until surgery (4 weeks +/-2 w):~• 30 minutes of exercise daily added to the existing daily exercise routine. The level of exercise should produce shortness of breath but the patient should be able to talk without much effort.~Postoperative intervention - takes place from discharge from the hospital until 4 weeks postoperatively:~• 30 minutes of exercise daily added to the existing daily exercise routine. The level of exercise should produce shortness of breath but the patient should be able to talk without much effort.~Participants randomized to intervention will receive a visit to a physiotherapist for personally adjusted information regarding the intervention, later followed up with a telephone call."