Lungs
"In." She muttered to herself. "And out." I can do this. This is an easy procedure. Nothing like before. Get a grip Tsunade. You have a support team right here if something goes wrong. But nothing will. You can do this.
But opening her eyes she didn't see the patient she should have. In stead she saw the one from a month ago. The one who had died in her care. She saw his blood on her hands.
"I can't do this." She took a step back. "I can't - I - I - I can't, this, I can't." Her words descended into gibberish.
"Tsunade!"
"I -" Her chest contracted some more. "This I."
"Get her out of here." A cold voice cut over Tsunade's stammering. "She can't perform like this. Find a replacement."