Systems and methods for treating cancer and/or augmenting organ function

A medical system, comprising:

• a microsurgical tool dimensioned for insertion into a lumen with a wall, the lumen being in fluid communication with a target region of a subject, wherein the target region comprises at least one of one or more nerves and one or more lymphatic ducts coupled to at least one of a tumor and a metastatic cell within a body of the subject, the microsurgical tool comprising:
• a distal tip configured to interface with the wall of the lumen, the distal tip comprising (i) one or more delivery means configured to apply a block to the target region and (ii) one or more microfingers equipped with a plurality of sensing points, the distal tip having one or more dimensions configured to facilitate placement into the lumen;
• and
• a controller configured to control operation of the one or more delivery means based at least in part on signals recorded by one or more of the plurality of sensing points.