CS Extension--Colon: What is the difference between codes 46 [Adherent to other organs or structures, but no microscopic tumor found in adhesion(s)] and 57 [Adherent to other organs or structures, NOS]? See Discussion.
CS Extension--Brain and CNS: How is this field coded for a malignant tumor presenting as a confluent lesion over right parietal, posterior frontal and thalamic regions?
CS Extension--Brain and CNS: How is this field coded for a malignant brain tumor that presents as a lesion with significant pressure on the left frontal ventricle and dilation of the right ventricles? See Discussion.
CS Extension--Bladder: How would the following statements be coded for bladder extension -- Code 03 [inferred description of non-invasion] vs code 15 [invasive confined to subepithelial connective tissue]. See Discussion.