i'm 14 and i think i may have cancer, a have a lump on the left side of my waist and it has been there for about a year and a half. it didn't just grow like that i had an accident on my bike and dats wen da lump came out i'm not sure if its a lump or something dats jus meant to be there. i feel shy to tell my mum and i cfant really tell da doctors because my mum is always there with me. SOMEONE PLS TELL ME WAT TO DO?