“…Studies have demonstrated how patient–patient interaction in general might be an important part of the social support system during hospitalisation and how a companionship between strangers may emerge. However, it is also reported how the relationship might be ambiguous (Andersen, Larsen, & Birkelund, ; Birkelund & Larsen, ; Borregaard & Ludvigsen, ; Larsen, Larsen, & Birkelund, ). Studies on exercise for patients with cancer have also reported social benefits of participating in group‐based interventions (Adamsen, Andersen, Lillelund, Bloomquist, & Moller, ; Backman, Browall, Sundberg, & Wengstrom, ; Missel et al, b); however, the meaning of participating in group‐based exercise for patients after lung cancer surgery is sparsely investigated.…”