October is Breast Cancer Awareness Month, and The Office star Jenna Fischer is marking the occasion by revealing her own recent battle with the disease. On Oct. 8, the actress took to Instagram to recount her health journey since sharing a photo of a routine mammogram on October 2023.

Jenna Fischer revealed on her Instagram that she was diagnosed with breast cancer last December. The actress laid out her entire situation in a truly candid post. You can read below for details on the comedic actress’ health journey, from learning about her diagnosis to undergoing treatment and then becoming cancer-free: