The Indo-Czech duo was beaten 3-6, 4-6 their final round-robin match at the Tennis Masters Cup in Shanghai.
Clarence Brown, the President Chairman of the MD Anderson Cancer Centre did not rule out the possibility of a tumor.
The seventh seeded pair beat the Austria-Brazilian combination of Alexander Peya and Bruno Soares 6-3, 5-7, 10-8 in an hour and 42 minutes.
Leander Paes and Mahesh Bhupathi gave the Indian fans something to cheer about by advancing to the semi-finals of the Chennai Open on Friday.
Top South African doubles tennis player Raven Klaasen has revealed that he has teamed up with Indian doubles icon and former world number one Leander Paes for next year.
India's Leander Paes and his mixed doubles partner Zimbabwean Cara Black advanced to the Wimbledon's semi-finals on Thursday.
The doubles ace said that Rohan Bopanna, Prakash Amritraj and he will not play against Japan if Leander Paes is continued as captain.
Rohan Bopanna and Aisam-ul-Haq Qureshi progressed to the semi-finals of the Sydney International, but Leander Paes failed to rescue his 2014 season from a poor start as he and Czech partner Radek Stepanek crashed out in the first round.
Faced with a pullout threat from Leander Paes, the All India Tennis Association has sent one of its selectors to London to pacify the veteran who is miffed at not getting a partner of choice for the men's doubles event of the London Olympics.
Leander Paes created history on Saturday, becoming the first Indian to complete a career Grand Slam by winning the Australian Open men's doubles title with Radek Stepanek.
Indians Leander Paes and Mahesh Bhupathi were engaged in a verbal confrontation with their rivals Juan Monaco of Argentina and Spain's Feliciano Lopez during the second round men's doubles match of the Australian Open in Melbourne on Saturday.
Indian ace pair of Leander Paes and Mahesh Bhupathi registered a straight set victory over Argentina's Juan Monaco and Feliciano Lopez of Spain 7-6, (2) 6-4 to advance to the third round of the Australian Open men's doubles event, in Melbourne on Saturday.
Defending champions Leander Paes and Lukas Dlouhy remained on course for a second successive French Open title by advancing to the semi-finals of the men's doubles with a straight-set win in Paris on Tuesday.
Leander Paes and Martin Damm surprised defending champions Jonas Bjorkman and Max Mirnyi in their opening doubles match of the season-ending Tennis Masters Cup in Shanghai on Sunday. The fourth-seeded Indo-Czech pair, drawn in the Gold Group, beat the sixth-seeded Swede-Belarusian duo 6-4, 6-1 in a little over and hour.
On a mixed day for India, defending champions and third seeds Leander Paes and Lukas Dlouhy crashed out but Rohan Bopanna and Aisam-ul-Haq Qureshi entered the men's doubles second round of the US Open in New York.
The Indo-Czech duo beat Mardy Fish and Robby Ginepri of America in the quarter-finals of the BA-CA Tennis Tournament in Vienna, Austria.
India's non-playing captain Anand Amritraj may feel otherwise, but Leander Paes defended the decision to conduct this weekend's Davis Cup tie against Spain under floodlights, saying the home players "struggle in hot and humid conditions".
Newly-crowned Australian Open mixed doubles champion Leander Paes on Monday rose a rung to seventh in the ATP doubles' ranking in the latest list.
Leander Paes and Martina Hingis won their mixed doubles opener at the Australian Open tennis tournament on Sunday.
Mahesh Bhupathi and Jamie Murray fell to top seeds Mike and Bob Bryan in the second round.
Leander Paes-Martin Damm will face Mahesh Bhupathi-Pavel Vizner in the quarter-finals of the Montreal Masters.
The Indo-Czech duo beat Chris Haggard and Ivo Karlovic 6-7 (3), 6-3, 10-8 in the quarterfinals.
Seventh seeds Leander Paes-Radek Stepanek caused a major upset, beating formidable top seeds Mike and Bob Bryan 6-4, 6-4, but Mahesh Bhupathi-Rohan Bopanna went down 2-6, 4-6 to second seeds Max Mirnyi of Belarus and Canada's Daniel Nestor.
The Indian ace and his partner Samantha Stosur lost in the quarter-finals of the mixed doubles.
Rohan Bopanna and Aisam-ul-Haq Qureshi's French Open campaign was cut short in the second round following a straight-set defeat against local pair of Julien Benneteau and Michael Llodra in Paris on Sunday.
The Indo-Czech duo beat the United States pair of Scott Lipsky and David Martin at Wimbledon.
They beat South Africa's Chris Haggard and Marcin Matkowski of Poland in their first round match at Wimbledon.
India's Leander Paes entered the semi-finals of the mixed doubles event even as Sania Mirza crashed out in the quarter-finals at the Wimbledon.
Leander's father, Dr Vece Paes, said the headache has gone and other disturbances are also less.
India's Leander Paes and his Czech partner, Lukas Dlouhy, advance into the next round of the US Open.
Veteran tennis star Leander Paes and his partner Martina Hingis, who won the Australian Open mixed doubles title last month, met India's Prime Minister Narendra Modi, on Thursday.
London's Olympics offer the seemingly ageless Leander Paes the chance to outdo his father in the medals stakes and to crown his doubles tennis career.
Leander Paes of India and his Czech partner Radek Stepanek stunned American pair of Bob and Mike Bryan to clinch the Australian Open men's doubles trophy.
Leander Paes is in line for two titles at the Australian Open. The Indian ace and Russia's Elena Vesnina staged a grand recovery to enter the mixed doubles final, even as Sania Mirza and Mahesh Bhupathi bowed out after their semi-final defeat on Friday.
Leander Paes' hopes of creating a world record in Davis Cup were dashed when the veteran Indian and Vishnu Vardhan lost the third rubber to strong rivals Artem Sitak and Michael Venus, who kept the New Zealand alive in the Asia-Oceania Group I Davis Cup tie.
India's veteran tennis star Leander Paes rejected the compromise formula of the All India Tennis Association (AITA) and has decided to pull out of the 2012 Olympics in London.
Leander Paes and Radek Stepanek outplayed Daniele Bracciali and Frantisek Cermak in straight sets to storm into final of the ATP Japan Open in Tokyo.
Leander Paes and Radek Stepanek overcame a second-set lapse to defeat Andy and Jamie Murray and enter the semi-finals of the US $1,280,565 ATP Japan Open, in Tokyo, on Friday. The top seeded Indo-Czech pair defeated the British brothers 6-4, 3-6, 10-2 in 77 minutes.
The Indo-Czech duo beat Austria's Julian Knowle and Jurgen Melzer 6-4, 6-7 (1), 10-6 over in the second round.
The All India Tennis Association on Friday selected Leander Paes and Mahesh Bhupathi for the men's doubles event at the London Olympics, rejecting the latter's insistence on being paired with Rohan Bopanna in the mega-event next month.