Kym Marsh visits doctors after fans urge her to get armpit lump checked - what should we be looking out for?

Kym Marsh's fans spotted her armpit in Instagram post. (Getty Images)

Actor, Kym Marsh, visited the doctors after fans urged her to get a lump in her armpit checked.

The 44-year-old posted a workout photo on her Instagram page which showed one of her arms above her head holding a kettlebell.

It prompted remarks from concerned followers encouraging Marsh to get the lump visible under her arm checked out by doctors.

The Coronation Street actor revealed to her followers that the lump was a "bit of inflammation to a muscle" in an updated caption under the photo.

Followers were quick to question if she was alright. One said: "I was just wondering is your arm okay there seems to be a lump?"

"You have a lump in your underarm," another simply stated.

Marsh updated the caption on the photo to address her follower's concerns.

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Kym Marsh attending the Inside Soap Awards 2016 held at The Hippodrome Casino in London. PRESS ASSOCIATION Photo. Picture date: Monday October 3, 2016. See PA story SHOWBIZ Soap. Photo credit should read: Ian West/PA Wire
Kym Marsh arriving at The Sun Military Awards 2018 held at Whitehall, London. Photo credit should read: Doug Peters/EMPICS
File photo dated 06/10/17 of Coronation Street's Kym Marsh who has told how listening to her unborn grandson's heartbeat at a scan gave her comfort on the 10th anniversary of the death of her son.
Coronation Street's Kym Marsh during a high intensity gym workout as she launches her own fitness DVD at Queen's Park Sports Centre in Chesterfield.
Kym Marsh and Scott Ratcliffe arriving at The Sun Military Awards 2018 held at Whitehall, London. Photo credit should read: Doug Peters/EMPICS
Freya Lewis wins the Young Fundraiser Award, presented by Kym Marsh, at the NHS Heroes Awards at the Hilton Hotel in London.
Gobi, winner of the Inspirational Animal Of The Year award with Dion Leonard, presented by Kym Marsh, at the Grosvenor House Hotel, London.
Kym Marsh attending the British Soap Awards 2017, held at the Lowry Theatre, in Salford, Manchester. Photo Copyright should read Doug Peters/EMPICS Entertainment
Matt Baker and Kym Marsh attending The Pride of Britain Awards 2016, at Grosvenor House, Park Lane, London. Photo credit should read: Doug Peters/EMPICS Entertainment
Kym Marsh attending the British Soap Awards 2016 at the Hackney Empire, 291 Mare St, London. PRESS ASSOCIATION Photo. Picture date: Saturday May 28, 2016. See PA Story SHOWBIZ Soap. Photo credit should read: Matt Crossick/PA Wire
Emily Mae Cunliffe and Kym Marsh (right) attending the British Soap Awards 2016 at the Hackney Empire, 291 Mare St, London. PRESS ASSOCIATION Photo. Picture date: Saturday May 28, 2016. See PA Story SHOWBIZ Soap. Photo credit should read: Matt Crossick/PA Wire
Coronation Street star Kym Marsh, 39, winner of the Rear of the year Award for 2015, with her award at Salford Quays, Manchester.
Kym Marsh attending the British Soap Awards at the Palace Hotel, Manchester.
Kym Marsh and Anthony Cotton arriving for the 2014 National Television Awards at the O2 Arena, London.
Kym Marsh sings before kick off
Kym Marsh arriving for the 2010 British Soap Awards at the ITV Studios, South Bank, London.
Celebrity Mum of the Year Kym Ryder, 31 from Warrington, arrives with her mum Pauline for the Tesco Magazine Mum of the Year 2008 Awards, at the Waldorf Hilton Hotel in central London.
Charlie Clements, Kym Ryder and Jake Wood in the press room at the 2007 National Televsision Awards (NTA's) at the Royal Albert Hall, west London.
Myleene Klass (left) hugs Kym Ryder at the TRIC (Television Radio Industries Club) 2007 Annual Awards at the Grosvenor House Hotel in central London.
Kym Ryder attending the The 2006 TV Quick and TV Choice Awards, Dorchester Hotel, London.
Gemma Atkinson and Kym Ryder arriving.
Kym Ryder, Chris Greener tallest man in the world and Wayne Sleep attend the Guinness World Records - 50th Anniversary Party at the Royal Opera House on November 16, 2004 in London. ©suzan/allactiondigital.com
Stephane Anelli, Kym Ryder and Shaun Williamson launch the West End musical Saturday Night Fever, at the Apollo Theatre, London. Doug Peters/allactiondigital.com
Kym Ryder launches the West End musical Saturday Night Fever, at the Apollo Theatre, London. Doug Peters/allactiondigital.com
Phil Taylor with singer Kym Ryder after he won the Ladbrokes.com World Darts Championship Final against Kevin Painter at the Circus Tavern, Purfleet in Essex. Taylor won by 7 sets to 6.
Kym Ryder performs live at Party In The Park.
Members of the "Popstars" television band (L-R) Noel Sullivan, Suzanne Shaw, Myleene Klass, Kym Marsh, and Danny Foster, pose for photographers during their first media appearance in London February 5, 2001. Ten million TV viewers tuned into the popular programme to find out which of the 3000 original hopefuls made up the final five members of the band.
Members of the "Popstars" television band (L-R) Noel Sullivan, Suzanne Shaw, Myleene Klass, Kym Marsh, and Danny Foster, pose for photographers during their first media appearance in London February 5, 2001. Ten million TV viewers tuned into the popular programme to find out which of the 3000 original hopefuls made up the final five members of the band. IW/PS
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It said: "Just so you guys know....after the recent photo and people's concerns over the 'lump' in my armpit, I went and had it checked anyway. It's all good guys and is just a bit of inflammation to a muscle. Thank you all for your concern xxx."

She went into more detail about it in her OK! Magazine column, saying that the lump had been playing on her mind for a while.

"I noticed the lump for a while and assumed it was nothing, but it had been playing on my mind and I knew I had to get it sorted," she wrote.

"I was lucky to get a doctor's appointment straight away and went to a clinic for an ultrasound.

"I am so grateful to everyone who reached out and urged me to get it looked at. It could have been something more serious, so thank goodness people online are looking out for each other."

Regular checking of your lymph nodes is recommended by cancer charities. Although lumps can be a myriad of things - as Marsh discovered - it's always important to get them assessed by a GP.

Doctors advise people to check their lymph nodes once per month, according to UK charity, Skin Support.

The charity explains: "Lymph node are usually too small to feel except in slim people when they can be felt as smooth pea-sized lumps in the groin. Another common exception is when people get a sore throat or an ear infection, which can make the neck lymph nodes enlarged, painful and tender."

"Lymph nodes can also become enlarged if cancer cells lodge in them. In this case, they are usually painless."

At the same time as checking your armpits, doctors recommend also doing a general check of your body - including moles - to note any other changes.

To check a lymph node in the armpit, Skin Support recommends placing four fingers inside of the armpit and gradually feeling your way from top to bottom.

As well as feeling the centre of the armpit, it's important to move your fingers along the front border and the back border as well as the inner border of the arm.

- This article originally appeared on Yahoo.

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