After RJ Agostinelli was diagnosed with acute lymphoblastic leukemia (ALL), a cancer of the white blood cells, he missed seven months of school.
Having weathered chemotherapy like a champ, the vivacious 12-year-old writes about what it was like returning to his class after a long absence.
Also, watch a video of RJ’s first day back at school.
That was seriosuly the cutest video.. ever.