Adele's estranged father has renewed his pleas for a reconciliation with the British singer following his diagnosis with bowel cancer.Mark Evans, who split from Adele's mother Penny when the star was just three years old, has now revealed he is battling cancer and has undergone surgery to have a number of tumors removed from his stomach and bowel.He is currently awaiting the results of further tests before his treatment continues and he has issued a heartfelt plea to his daughter, requesting to meet his 11-month-old grandson, Angelo, before it is too late.