Fig. 6From: S-1 induced discoid lupus erythematosus-like lesions and long-term complete response for para-aortic lymph node recurrence of pancreatic ductal adenocarcinoma: a case reportLight microscopy findings of kidney biopsy. a Light microscopy showed nodular expansion of mesangium and infiltration of lymphocytes into the interstitium (HE, × 100). b Light microscopy of glomeruli showed increased mesangial matrix and increased mesangial cellularity (HE, × 200)Back to article page