What is the summary of first chapter in book Oscar et la dame rose?

The first chapter of "Oscar et la Dame Rose" introduces us to Oscar, a 10-year-old boy battling leukemia, and his "Dame Rose" - an elderly lady who visits him regularly at the hospital. The chapter unfolds in a dialogue between Oscar and his parents, revealing his initial resistance to the "Dame Rose" visits. He finds her presence intrusive and feels uncomfortable with her insistence on making him smile.

Despite his initial reluctance, Oscar eventually opens up to the Dame Rose, sharing his anxieties about his illness and the fear of dying. He also reveals his secret desire to be a pirate, a dream he feels is slipping away due to his illness.

The Dame Rose, in turn, offers him a unique gift: a small pink suitcase containing a "treasure hunt" with clues that lead Oscar on an adventure through his imagination. This journey takes him to different countries and places, showcasing his courage, resilience, and thirst for life, even in the face of his illness. The chapter ends with Oscar embracing his pirate fantasy, suggesting a shift in his outlook and a blossoming connection with the Dame Rose.