When a second tumor is found in a patient that has been treated for cancer in the past, it is more often a metastasis than another primary tumor.

When the sentinel node is free of tumor cells, this is highly predictive of freedom from metastasis in the entire lymphatic basin, thus leading to futility of a full node dissection.

When someone in the audience rose and asked how does it feel to be a celebrity, Carl said, `` A celebrity is a fellow who eats celery with celerity ''.

When a dancer does well, she provokes a quiet bombardment of dollar bills -- although the Manhattan clubs prohibit the more cosmopolitan practice of slipping the tips into the dancers' costumes.

When a question contains two verbs, the response does not make clear which of them is being answered.

When helped by a high degree of structure in lesson presentation, then, and only then, does such a child attain unusual success.

When the frequency response characteristics of practical components are considered, their effect on stability does not present the most serious limit on the system loop gain.

When the writer uses material does he tamper with it to improve its commercial effect or does he leave it pure??

When her brother Winslow became a student at Brown University in 1874, she wrote him about a course in history he was taking under Professor Diman: `` What is Prof. Diman's definition of civilization, and take the world through, is its progress ever onward, or does it retrograde at times??

When someone does develop chronic or severe problems with anxiety, such problems are usually classified as being one or more of the specific types of Anxiety Disorders.

When Tarrou points out that " victories will never be lasting ," Rieux admits that he is involved in a " never ending defeat ," but this does not stop him from engaging in the struggle.

When Ares does appear in myths, he typically faces humiliation.

" When his wife reported to him that his interpreter's wife had boasted of her own husband's greatness, R. Abbahu simply said, " What difference does it make which of us is really the greater, so long as through both of us heaven is glorified?

" When does your Messiah come?

When using the works of his authorities Alexander does not only review their reasoning but also gives conclusions, expands on them, and offers his agreements and disagreement with them.

Hobbes said :" The Latines called Accounts of mony Rationes ... and thence it seems to proceed that they extended the word Ratio, to the faculty of Reckoning in all other things .... When a man reasoneth hee does nothing else but conceive a summe totall ... For Reason ... is nothing but Reckoning ... of the consequences of generall names agreed upon, for the marking and signifying of our thoughts ...."

When he returns home, Wallace ( Gibson ) falls in love with his childhood sweetheart, Murron MacClannough ( McCormack ), and they marry in secret so that she does not have to spend a night in the bed of the English lord.

When a monarch does act, political controversy can often ensue, partially because the neutrality of the crown is seen to be compromised in favour of a partisan goal, while some political scientists champion the idea of an " interventionist monarch " as a check against possible illegal action by politicians.

When the separation of scales does not hold, or when one wants to establish a continuum of a finer resolution than that of the RVE size, one employs a statistical volume element ( SVE ), which, in turn, leads to random continuum fields.

When the amount of RAM is not sufficient to run all the current programs, it can result in a situation where the computer spends more time moving memory from RAM to disk and back than it does accomplishing tasks ; this is known as thrashing.

When scientists want to express a specific protein in a cell that does not normally express that protein ( i. e., heterologous expression ), they will transfer the cDNA that codes for the protein to the recipient cell.

When scientists transfer a gene from one cell into another cell in order to express the new genetic material as a protein in the recipient cell, the cDNA will be added to the recipient ( rather than the entire gene ), because the DNA for an entire gene may include DNA that does not code for the protein or that interrupts the coding sequence of the protein ( e. g., introns ).

When the angle θ does not satisfy the above condition, the horizontal component of force exerted by the road does not provide the correct centripetal force, and an additional frictional force tangential to the road surface is called upon to provide the difference.

When the news of the victory is brought to David, he does not rejoice, but is instead shaken with grief: " O my son Absalom, my son, my son Absalom!

When found on the beaches, Calophyllum often extends over the lagoon water and supports nesting red-footed boobies, as does Barringtonia asiatica.

When lamb and mutton are irradiated at substerilization doses, the meat becomes dehydrated, the fat becomes chalky, and, again, unnatural changes in color occur.

When used appropriately, opioids and similar narcotic analgesics are otherwise safe and effective, however risks such as addiction and the body becoming used to the drug ( tolerance ) can occur.

When subjected to loading, debonding may occur at different locations in the adhesive joint.

When an APAF-1 gene trap is introduced into cells, many morphological changes occur, such as spina bifida, the persistence of interdigital webs, and open brain.

When assured by Mersenne that it was, indeed, the product of the son not the father, Descartes dismissed it with a sniff: " I do not find it strange that he has offered demonstrations about conics more appropriate than those of the ancients ," adding, " but other matters related to this subject can be proposed that would scarcely occur to a sixteen-year-old child.

When barter did in fact occur, it was usually between either complete strangers or would-be enemies.

When context switches occur frequently enough the illusion of parallelism is achieved.

When the process of escape and return reaches an equilibrium, the vapor is said to be " saturated ," and no further change in either vapor pressure and density or liquid temperature will occur.

When the bid matches the offer, a transaction can easily occur ( even instantenously, as in a typical stock market ).

* When certain consonants occur together, special conjunct symbols are used which combine the essential parts of each letter.

When President Aristide returned to Haiti, some improvements did occur in the manufacturing sector.

When making assessments of how often relatively rare events will occur, analyses are made in terms of the return period of such events.

When inspired air contains CO levels as low as 0. 02 %, headache and nausea occur ; if the CO concentration is increased to 0. 1 %, unconsciousness will follow.

# When a given style of production relations no longer supports further progress in the productive forces, either further progress is strangled, or ' revolution ' must occur.

When this approach is used, the hash function must be chosen so that the result has fairly uniform distribution between 0 and n − 1, for any value of n that may occur in the application.

When the Sun is active, strong solar flares can occur that will hit the sunlit side of Earth with hard X-rays.

When either writing through or directly to physical device registers, this may, but not necessarily, cause a real interrupt to occur at the device's central processor unit ( CPU ), if it has one.

When units occur in exponentiation, such as in square and cubic forms, any multiplier prefix is considered part of the unit, and thus included in the exponentiation.

When a hydrated crystal is left in air, dehydration may occur slowly.

When transaction costs are low and parties involved are perfectly informed, a mutually beneficial agreement will occur: whoever values the property the highest will end up with it.

When a fluid is flowing through a closed channel such as a pipe or between two flat plates, either of two types of flow may occur depending on the velocity of the fluid: laminar flow or turbulent flow.

When Luthor admits that he had not only anticipated the attack, but had arranged for it to occur in order to lure Superman out, the Mayor deputizes Superman to arrest Luthor for reckless endangerment.

When a peripheral fiber is severed, the myelin sheath provides a track along which regrowth can occur.

When core convection does not occur, a helium-rich core develops surrounded by an outer layer of hydrogen.

When this did not occur, he soon returned to Rome, discussing a truce with the assassins ' faction.