<prompt> A 60-year-old male presents with hematuria, weight loss. Cystoscopy biopsy of the superficial lesion in bladder shows hyperchromatic nucleus, increased nuclear - cytoplasmic ratio, the lesion involves full thickness of epithelium but doesnt invade basement membrane. The diagnosis is:DysplasiaMetaplasiaBladder carcinoma in situMicro invasion  <response>: Ans. c Bladder Carcinoma in situRef: Bailey 26th Edition, Page 1333 Carcinoma in situ stands when the lesion does not invade basement membrane. 