The Norwegian royal family has issued a heartbreaking update on Crown Princess Mette-Marit’s rare cancer battle, saying she requires “more rest” as her situation worsens. The royal, 51, is declining in health amid her battle with pulmonary fibrosis — an incurable condition that scars lungs and causes shortness of breath.

Crown Princess Mette-Marit is rearranging her royal responsibilities as her chronic lung disease has "progressed," the Royal House of Norway said.

Marit's chronic, incurable lung disease has worsened, meaning she may have to change her schedule at short notice.

The Norwegian Royal Court has shared an update on Crown Princess Mette-Marit’s health, revealing that her illness has progressed and her schedule will be modified moving forward. In a brief statement,

Marit's chronic lung disease is affecting "her ability to perform her duties," the Royal House of Norway announced.

Marit's chronic, incurable lung disease has worsened, meaning she may have to change her schedule at short notice.

Crown Princess Mette-Marit of Norway is experiencing daily symptoms from her chronic lung disease, pulmonary fibrosis, which is increasingly affecting her royal duties. The Norwegian royal court said on Thursday that she requires more rest,