What Causes Redness Under Chest After Suffering From Typhoid?

Sir, good noon. My name is Dr Ruchi khandalwal. .I got suffered tiphyod 1 year back..I got tiphod treatment for three month.but simultaneously I felt some redness under chest..I examined to Doctor and he operated me and find out PUS Swab in it..sir three times I got operated by surgen . Sir .doctor suggested to me for taking AKT 3..sir I am taking since 1 year AKT 3 ..but as on date pus is coming . .Pl suggest