When Rose tells the story about the lamb, Dorothy puts her hand on Rose's. It is not there in the next shot and Rose's hand is now raised.
When Dorothy carries the towels into Stan' room, the way they are folded, particularly the bottom one, changes between shots.
Stan comes into the kitchen wearing Dorothy's pink robe. You can see his chest and there is no markings as if he were to have recently had surgery.
At around 20:45, when Rose explains about Blanche being irritable, the shadow of the boom mic can be seen on the wall behind Stan's bed.