I had breast surgery for cancer 4 weeks ago and they did a lymph node biopsy taken  which they said the results would be back in 4 weeks.  The appointment was tomorrow but got cancelled today saying the results are not back yet so rebooked for next week.  Is this normal as I was told initially should be 2 weeks but extended to 4 weeks now and now still not back at 4 weeks.  Does this indicate anything wrong with the specimen needing a second opinion or is it the norm to cancel people nowadays.   Have aleready been cancelled once during this journey as they ran out of radioactive dye so couldn't do the surgery on time.