I took a Mantoux Test I can’t understand the report

Patient: I took a Mantoux Test. I can’t understand the report. Please help me. It goes like this.Injectule: 0.1 ml of Tuberculin equivalent to 10 units (PPD) was injected intradermallyMANTOUX REPORTERYTHEMA: 3X3INDURATION: 2X2INTERPRETETION(Zone of induration) 10 mm & above : Positive5 mm – 9 mm : DoubtfulLess than 5 mm : Negative