What to know

• The pontiff was diagnosed with lung cancer after having surgery at Rome's Gemelli Hospital on Tuesday.S1
• VATICAN CITY - Pope Leo will appear in public on Sunday for the first time since undergoing lung cancer surgery as the 71-year-old pontiff shows steady improvement and is able to work and do normal daily activities independently, the Vatican said on Friday.S2
• The Vatican has released the first images of Pope Leo XIV since he underwent surgery to remove a cancerous tumour from his right lung.S3
• ROME — The Vatican on Friday released the first images of Pope Leo XIV since his lung cancer surgery, showingS4
• The Vatican also confirmed Leo would make his first public appearance on SundayS5
• Pope Leo thanked the hospital staff "for the work they do every day" during his homily.S6