By Imogen Howse
A teacher was diagnosed with breast cancer at just 22 years old - after she noticed a "pea-sized lump."
Erin Johnston, from Greenwich, southeast London, was diagnosed with cancer for the first time in December 2019, after she came across a "tiny" abnormality on her breast.
Doctors initially told Erin the lump was likely "innocent" due to her age, but a biopsy revealed she actually had stage 1 breast cancer .
Erin, now 28, said: "It was a real rollercoaster. When I first noticed it, it was tiny - it was a pea-sized lump.
"But I knew my body and I knew it wasn't normal.
"I called my GP and got an appointment that same day and they referred me to hospital for a biopsy.
"I felt scared but the doctors were so calm I thought it would be fine.
"But then when I had the